Insomnia Presentation

37,870 views 79 slides Feb 05, 2009
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Slide Content

SLEEPSLEEP
and and
INSOMNIAINSOMNIA
Lynn N. Stewart, M.D.Lynn N. Stewart, M.D.
Travis County Wellness and Health Travis County Wellness and Health
ClinicClinic
Austin, TXAustin, TX

ObjectivesObjectives
By the conclusion of this lecture, you will be able to:By the conclusion of this lecture, you will be able to:
Learn about the process of sleepLearn about the process of sleep
Identify 4 main categories of insomniaIdentify 4 main categories of insomnia
Classify insomnia by stageClassify insomnia by stage
List at least 5 common etiologies of List at least 5 common etiologies of
insomniainsomnia
Discuss 5 or more principles of sleep Discuss 5 or more principles of sleep
hygienehygiene
Give 5 guidelines for drug therapyGive 5 guidelines for drug therapy

Why do we care about sleep?Why do we care about sleep?
Sleep is a necessary restorative process Sleep is a necessary restorative process
that affects all aspects of functioning.that affects all aspects of functioning.
Sleep is an active process for the brain.Sleep is an active process for the brain.
Early in sleep slow-rolling eye movements Early in sleep slow-rolling eye movements
occur (non-rapid eye movement).occur (non-rapid eye movement).
Later—deeper in sleep–rapid eye Later—deeper in sleep–rapid eye
movements (REM) are associated with movements (REM) are associated with
irregular breathing and increased heart irregular breathing and increased heart
raterate

Sleep Stages and their functionSleep Stages and their function
Non-rapid Eye Movement (NREM)Non-rapid Eye Movement (NREM)
Stage 1: transition to sleepStage 1: transition to sleep
 5% total time5% total time
Stage 2: 50% total timeStage 2: 50% total time
Stages 3 and 4: slow-wave sleepStages 3 and 4: slow-wave sleep
10-20% total sleep time10-20% total sleep time
Restful and restorative sleep Restful and restorative sleep
achieved hereachieved here
Rapid Eye Movement (REM)Rapid Eye Movement (REM)
20-25% total sleep time20-25% total sleep time

Sleep Cycle and ArchitectureSleep Cycle and Architecture
Normal, healthy people start with NREM1 Normal, healthy people start with NREM1
then NREM 2, 3, 4, 3, 2, and then REM.then NREM 2, 3, 4, 3, 2, and then REM.
Cycle repeats at 90-120 minute intervalsCycle repeats at 90-120 minute intervals
Total cycle repeats 3-4 times a nightTotal cycle repeats 3-4 times a night
NREM 3 and 4: more prominent is first half NREM 3 and 4: more prominent is first half
of the night, and decrease later on.of the night, and decrease later on.
REM: less prominent in the early night, REM: less prominent in the early night,
and increases as the night progressesand increases as the night progresses

Sleep at different agesSleep at different ages
Sleep varies with ageSleep varies with age
Infants sleep 66% of the day; adults, 33%Infants sleep 66% of the day; adults, 33%
Elderly have a reduction in the depth, Elderly have a reduction in the depth,
intensity , and continuity of sleep:intensity , and continuity of sleep:
Increased sleep latencyIncreased sleep latency
Decreased REM latencyDecreased REM latency
Reduced NREM 3 and 4 Reduced NREM 3 and 4
Reduced total REM amountReduced total REM amount
Frequent awakeningsFrequent awakenings

So what keeps us awake?So what keeps us awake?
The Reticular Activating System (RAS) of the The Reticular Activating System (RAS) of the
brain plays is mostly responsible for keeping us brain plays is mostly responsible for keeping us
awake and alert.awake and alert.
 Narcolepsy is a clinical syndrome of daytime Narcolepsy is a clinical syndrome of daytime
sleepiness with cataplexy (bilateral muscle sleepiness with cataplexy (bilateral muscle
weakness leading to partial or complete weakness leading to partial or complete
collapse), hypnagogic hallucinations, and sleep collapse), hypnagogic hallucinations, and sleep
paralysis, and is associated with disordered paralysis, and is associated with disordered
REM sleep. Not all are required for the REM sleep. Not all are required for the
syndrome. A loss of orexin and hypocretin syndrome. A loss of orexin and hypocretin
neuropeptides is typically found.neuropeptides is typically found.

Types of InsomniaTypes of Insomnia
Is the problem not being able to fall Is the problem not being able to fall
asleep?asleep?
→→Problems falling asleep are referred to as Problems falling asleep are referred to as
problems with “sleep latency.”problems with “sleep latency.”
Is the problem staying asleep?Is the problem staying asleep?
→→Problems staying asleep are referred to Problems staying asleep are referred to
as problems with “sleep maintenance.”as problems with “sleep maintenance.”

Why Are We Talking About Why Are We Talking About
This?This?
Up to 40% of adults are affectedUp to 40% of adults are affected
1/3 adults are affected intermittently1/3 adults are affected intermittently
10% are chronic10% are chronic
Treatment alone costs $2-11 billionTreatment alone costs $2-11 billion
Total financial impact: $35 billionTotal financial impact: $35 billion
Morin CM, Hauri PJ, Espie CA, et al. Nonpharmacologic treatment of chronic Morin CM, Hauri PJ, Espie CA, et al. Nonpharmacologic treatment of chronic
insomnia: an American Academy of Sleep Medicine Review. insomnia: an American Academy of Sleep Medicine Review. Sleep.Sleep.
1999;22:1134-11561999;22:1134-1156
Silber MH. Chronic insomnia. Silber MH. Chronic insomnia. N Engl J Med.N Engl J Med.2005;353:803-8102005;353:803-810
Saul S. Record sales of sleeping pills are causing worries. Saul S. Record sales of sleeping pills are causing worries. New York Times.New York Times. Feb 7, Feb 7,
2006.2006.

DefinitionDefinition
The The subjectivesubjective experience of inadequate experience of inadequate
or poor quality sleepor poor quality sleep
““I’M UP”I’M UP”
II - - difficultydifficulty IInitiating sleepnitiating sleep
MM - - difficulty difficulty MMaintaining sleepaintaining sleep
UU - - UUnrefreshing sleepnrefreshing sleep
PP - - PPremature awakeningremature awakening

Daytime ConsequencesDaytime Consequences
Tiredness and lack of energyTiredness and lack of energy
Poor concentration and performancePoor concentration and performance
Irritability and/or depressionIrritability and/or depression
Feeling unwellFeeling unwell
Less able to enjoy lifeLess able to enjoy life
Increased illnessIncreased illness

Real ConsequencesReal Consequences
AbsenteeismAbsenteeism
PresenteeismPresenteeism
Social disabilitySocial disability
Increased Increased
healthcare healthcare
utilizationutilization
Fewer promotionsFewer promotions
Auto accidentsAuto accidents
Insomniacs have Insomniacs have
2.5x more 2.5x more
accidents due to accidents due to
fatiguefatigue
DepressionDepression

Real ConsequencesReal Consequences
Sleep deprivation (less than 6 hours of Sleep deprivation (less than 6 hours of
sleep a night) is an independent predictor sleep a night) is an independent predictor
of future weight gain AND obesity in of future weight gain AND obesity in
women.women.
RR=1.32 for gaining >15kg (>33#) over 16 RR=1.32 for gaining >15kg (>33#) over 16
years for those who sleep 5 hours/night; years for those who sleep 5 hours/night;
RR=1.12 for 6 hours/night when compared RR=1.12 for 6 hours/night when compared
against those who slept 7 hours/night against those who slept 7 hours/night
(after adjusting for exercise and caloric (after adjusting for exercise and caloric
intake).intake).
Worcester, Sharon. “Sleep duration, weight gain are linked in women,” Worcester, Sharon. “Sleep duration, weight gain are linked in women,” Family Family
Practice News Practice News 36 (15 Oct 2006):44.36 (15 Oct 2006):44.

Sleep DeprivationSleep Deprivation
Inadequate opportunity for sleepInadequate opportunity for sleep
Feel sleepy during the dayFeel sleepy during the day
insomniacs typically feel tired, not insomniacs typically feel tired, not
sleepysleepy
Fall asleep at inappropriate timesFall asleep at inappropriate times
Such as while driving, at work Such as while driving, at work
during an interview, while at family during an interview, while at family
events.events.

Hyper Arousal State from InsomniaHyper Arousal State from Insomnia
Increased (short-term only)Increased (short-term only)::
Metabolic rateMetabolic rate
Heart rateHeart rate
TemperatureTemperature
Catecholamine metabolitesCatecholamine metabolites
Stress hormone levelsStress hormone levels
Fast EEG activity (electrical recording of brain Fast EEG activity (electrical recording of brain
activity=Electro Encephalo Gram)activity=Electro Encephalo Gram)

Risk Factors for InsomniaRisk Factors for Insomnia
Prior episodePrior episode
Female gender Female gender
(1.3x)(1.3x)
Age > 65 (1.5x)Age > 65 (1.5x)
half the half the
population over population over
age 65age 65
40% of all 40% of all
hypnotic scriptshypnotic scripts
SnoringSnoring
Depression (which Depression (which
comes first?)comes first?)
Lower Lower
socioeconomic socioeconomic
statusstatus
Divorce / SeparationDivorce / Separation
WidowhoodWidowhood
Concurrent medical Concurrent medical
problemsproblems

Stages of InsomniaStages of Insomnia
Transient: < 4 nights (days to weeks)Transient: < 4 nights (days to weeks)
Acute: > 2 nights a week for 2 weeksAcute: > 2 nights a week for 2 weeks
Chronic: 3 or more nights a week, for Chronic: 3 or more nights a week, for
4 or more weeks (months to years)4 or more weeks (months to years)
Critical: The inability to sleep during Critical: The inability to sleep during
lectureslectures

Psychiatric Causes of InsomniaPsychiatric Causes of Insomnia
DepressionDepression
Generalized Anxiety Generalized Anxiety
DisorderDisorder
StressStress
Post Traumatic Post Traumatic
Stress DisorderStress Disorder
Obsessive Obsessive
Compulsive Compulsive
DisorderDisorder
Adjustment Adjustment
disordersdisorders
Personality Personality
disordersdisorders
Bipolar disorderBipolar disorder
DysthymiaDysthymia
AnxietyAnxiety
Psychosis including Psychosis including
schizophreniaschizophrenia

Medical Causes of InsomniaMedical Causes of Insomnia
PainPain
NeuropathyNeuropathy
FibromyalgiaFibromyalgia
Osteoarthritis Osteoarthritis
Rheumatoid arthritisRheumatoid arthritis
Chronic back painChronic back pain
CardiovascularCardiovascular
Congestive heart Congestive heart
failurefailure
DyspneaDyspnea
Nocturnal anginaNocturnal angina
PulmonaryPulmonary
COPDCOPD
AsthmaAsthma
Obstructive Sleep apneaObstructive Sleep apnea
Mixed Sleep apneaMixed Sleep apnea
Obesity-hypoventilation Obesity-hypoventilation
SyndromeSyndrome
GastrointestinalGastrointestinal
GastroEsophageal GastroEsophageal
Reflux Disease Reflux Disease
(GERD)(GERD)

Medical Causes of InsomniaMedical Causes of Insomnia
GenitourinaryGenitourinary
Benign Prostatic Benign Prostatic
HypertrophyHypertrophy
NocturiaNocturia
IncontinenceIncontinence
Endocrine/MetabolicEndocrine/Metabolic
Hormonal disruptionsHormonal disruptions
MenopauseMenopause
Thyroid diseaseThyroid disease
Endocrine hormone-Endocrine hormone-
secreting tumorssecreting tumors
NeurologicNeurologic
Alzheimer’sAlzheimer’s
Huntington’sHuntington’s
Parkinson’sParkinson’s
Central Sleep apneaCentral Sleep apnea
SeizuresSeizures
Headaches (cluster, Headaches (cluster,
migraine)migraine)
Fatal Familial Insomnia Fatal Familial Insomnia
(yes, it is fatal, and (yes, it is fatal, and
familial)familial)
You’d already know about You’d already know about
it if it is in your familyit if it is in your family

DyssomniaDyssomnia
Dyssomnias are sleep disorders Dyssomnias are sleep disorders
characterized by insomnia, excessive characterized by insomnia, excessive
sleepiness, or abnormal sleep-wake timingsleepiness, or abnormal sleep-wake timing
Sleep DisordersSleep Disorders
Restless LegsRestless Legs
Trouble falling asleep Trouble falling asleep
Patient very aware of movement/sensationsPatient very aware of movement/sensations
Periodic Limb Movement DisorderPeriodic Limb Movement Disorder
Unrefreshing sleep, hypersomniaUnrefreshing sleep, hypersomnia
Leg contractions during stages 1 & 2Leg contractions during stages 1 & 2
Patient usually unaware of movementPatient usually unaware of movement

Intrinsic DyssomniaIntrinsic Dyssomnia
Psychophysiological Psychophysiological
insomnia insomnia
Sleep state Sleep state
misperception misperception
Idiopathic insomnia Idiopathic insomnia
Narcolepsy Narcolepsy
Hypersomnia Hypersomnia
Recurrent, idiopathic, Recurrent, idiopathic,
post-traumaticpost-traumatic
Restless legs Restless legs
syndromesyndrome
Obstructive sleep Obstructive sleep
apnea syndromeapnea syndrome
Central sleep apnea Central sleep apnea
syndrome syndrome
Central alveolar Central alveolar
hypoventilation hypoventilation
syndromesyndrome
Periodic limb Periodic limb
movement disordermovement disorder
Intrinsic sleep Intrinsic sleep
disorder NOSdisorder NOS

Extrinsic DyssomniaExtrinsic Dyssomnia
Inadequate sleep Inadequate sleep
hygiene hygiene
Environmental sleep Environmental sleep
disorderdisorder
Altitude insomnia Altitude insomnia
Adjustment sleep Adjustment sleep
disorder disorder
Insufficient sleep Insufficient sleep
syndromesyndrome
Limit-setting sleep Limit-setting sleep
disorder disorder
Sleep-onset association Sleep-onset association
disorderdisorder
Food allergy insomniaFood allergy insomnia
Nocturnal eating Nocturnal eating
(drinking) syndrome (drinking) syndrome
Hypnotic-dependent Hypnotic-dependent
sleep disorder sleep disorder
Stimulant-dependent Stimulant-dependent
sleep disordersleep disorder
Alcohol-dependent Alcohol-dependent
sleep disordersleep disorder
Toxin-induced sleep Toxin-induced sleep
disorderdisorder
Extrinsic sleep Extrinsic sleep
disorder NOS disorder NOS

Circadian DyssomniaCircadian Dyssomnia
Time zone change (jet lag) syndrome Time zone change (jet lag) syndrome
Shift work sleep disorder Shift work sleep disorder
Irregular sleep-wake patternIrregular sleep-wake pattern
Delayed sleep phase syndromeDelayed sleep phase syndrome
Advanced sleep phase syndromeAdvanced sleep phase syndrome
Non-24-hour sleep-wake disorder Non-24-hour sleep-wake disorder
Circadian rhythm sleep disorder NOS Circadian rhythm sleep disorder NOS
Shifts with age (adolescent or elderly)Shifts with age (adolescent or elderly)

ParasomniasParasomnias
 Parasomnias are sleep disorders characterized Parasomnias are sleep disorders characterized
by abnormal behavioral or physiological events by abnormal behavioral or physiological events
which occur during sleep or during sleep-wake which occur during sleep or during sleep-wake
transitions.transitions.
Parasomnias typically do not cause insomnia or Parasomnias typically do not cause insomnia or
excessive sleepiness, but some are dangerous excessive sleepiness, but some are dangerous
to the patient or others. to the patient or others.
Most are “normal” if done while awakeMost are “normal” if done while awake
More common in children than adultsMore common in children than adults
Most do not require therapyMost do not require therapy

Parasomnias ContinuedParasomnias Continued
Arousal disorders:Arousal disorders:
Confusional arousalsConfusional arousals
SleepwalkingSleepwalking
Sleep terrors Sleep terrors
Sleep-wake Sleep-wake
transition disorders:transition disorders:
Rhythmic movement Rhythmic movement
disorderdisorder
Sleep startsSleep starts
Sleep talkingSleep talking
Nocturnal leg cramps Nocturnal leg cramps
Parasomnias Parasomnias
usually associated usually associated
with REM sleep:with REM sleep:
Nightmares Nightmares
Sleep paralysisSleep paralysis
Impaired sleep-related Impaired sleep-related
penile erectionspenile erections
Sleep-related painful Sleep-related painful
erections erections
REM sleep-related sinus REM sleep-related sinus
arrest REM sleep arrest REM sleep
behavior disorderbehavior disorder

Parasomnias ContinuedParasomnias Continued
Parasomnias NOSParasomnias NOS
Sleep bruxism (tooth grinding)Sleep bruxism (tooth grinding)
Sleep enuresis (bed-wetting)Sleep enuresis (bed-wetting)
Sleep-related abnormal swallowing syndrome Sleep-related abnormal swallowing syndrome
Nocturnal paroxysmal dystomia Nocturnal paroxysmal dystomia
Sudden unexplained nocturnal death syndrome Sudden unexplained nocturnal death syndrome
Primary snoring Primary snoring
Infant sleep apnea Infant sleep apnea
Congenital central hypoventilation syndrome Congenital central hypoventilation syndrome
Sudden infant death syndrome Sudden infant death syndrome
Benign neonatal sleep myoclonus Benign neonatal sleep myoclonus
Other parasomnia NOSOther parasomnia NOS

Pharmacologic Causes of InsomniaPharmacologic Causes of Insomnia
AntidepressantsAntidepressants
SteroidsSteroids
DecongestantsDecongestants
CaffeineCaffeine
Coffee, tea, Coffee, tea,
chocolatechocolate
AlcoholAlcohol
NicotineNicotine
AntihypertensivesAntihypertensives
AnticholinergicsAnticholinergics
HormonesHormones
AntineoplasticsAntineoplastics
CNS stimulantsCNS stimulants
MiscellaneousMiscellaneous
Dilantin, sinemetDilantin, sinemet

Behavioral CausesBehavioral Causes
Poor sleep hygiene (more later)Poor sleep hygiene (more later)
PsychophysiologicPsychophysiologic
Learned behaviorLearned behavior
Worring about getting to sleep/Worring about getting to sleep/
trying too hard to sleeptrying too hard to sleep
Leads to increased anxiety and arousalLeads to increased anxiety and arousal
Perpetuates insomniaPerpetuates insomnia

DiagnosisDiagnosis
The medical interview is everythingThe medical interview is everything
focus on underlying causesfocus on underlying causes
Sleep partner should be present for the Sleep partner should be present for the
interview if possibleinterview if possible
Full medication list is requiredFull medication list is required
Be prepared to ask very direct questions Be prepared to ask very direct questions
about substances and alcohol useabout substances and alcohol use

Medical InterviewMedical Interview
Current state of complaintCurrent state of complaint
Onset, duration, frequency of insomniaOnset, duration, frequency of insomnia
Sleep history… is the trouble with:Sleep history… is the trouble with:
falling asleep?falling asleep?
maintaining sleep?maintaining sleep?
not being able to go back to sleep once up?not being able to go back to sleep once up?
early awakenings?early awakenings?
not feeling rested?not feeling rested?

Medical InterviewMedical Interview
Daytime consequencesDaytime consequences
can you function/stay awake to drive?can you function/stay awake to drive?
Do you experience (or bed-partner report):Do you experience (or bed-partner report):
Leg or arm jerking while asleep?Leg or arm jerking while asleep?
Loud snoring/gasping/choking, or stopping Loud snoring/gasping/choking, or stopping
breathing when asleep?breathing when asleep?
Uncomfortable feelings in your legs that Uncomfortable feelings in your legs that
go away with moving them?go away with moving them?

Sleep HabitsSleep Habits
Usual bedtimeUsual bedtime
Usual morning awakening timeUsual morning awakening time
Time spent in bed awake prior to sleeping, Time spent in bed awake prior to sleeping,
and following the onset of sleepand following the onset of sleep
Estimated time spent asleepEstimated time spent asleep
Do you take anything to make you sleep?Do you take anything to make you sleep?
Do you drink to help you go to sleep?Do you drink to help you go to sleep?
What else do you do in your bedroom?What else do you do in your bedroom?

Sleep HabitsSleep Habits
Anything disruptive to sleep?Anything disruptive to sleep?
InfantsInfants
NoisesNoises
LightsLights
Snoring partnerSnoring partner
Partner with different bed/wake timesPartner with different bed/wake times
TVTV
PetsPets
Not feeling safe where you sleepNot feeling safe where you sleep

Sleep Habits (bad!)Sleep Habits (bad!)
Do you consume: nicotine, caffeine, alcohol, Do you consume: nicotine, caffeine, alcohol,
other stimulants, decongestants prior to other stimulants, decongestants prior to
bedtime? Half lives are important!bedtime? Half lives are important!
tt1/21/2 nicotine = 1 hour, t nicotine = 1 hour, t1/21/2 caffeine = 6 hours, caffeine = 6 hours,
tt1/21/2 alcohol depends on how much you’ve had alcohol depends on how much you’ve had
Do you smoke/eat when you wake up, or Do you smoke/eat when you wake up, or
perform other tasks like cleaning?perform other tasks like cleaning?
Do you check the clock when you wake up?Do you check the clock when you wake up?
What is your pre-bedtime routine: exercise, What is your pre-bedtime routine: exercise,
work, TV, eating?work, TV, eating?

Half-lives: why you can’t go to sleep at Half-lives: why you can’t go to sleep at
10pm if your last coffee was at noon.10pm if your last coffee was at noon.
0
10
20
30
40
50
60
70
80
90
100
12 noon 6pm 12 midnight 6am
% caffeine still in
body

What’s New With You?What’s New With You?
Medical issuesMedical issues
Medication changesMedication changes
Lifestyle issuesLifestyle issues
Work stressWork stress
School stressSchool stress
Financial stressFinancial stress
Relationship changes/stressRelationship changes/stress
Complaints from partnerComplaints from partner

Physical ExamPhysical Exam
For primary insomnia there are no For primary insomnia there are no
characteristic exam findingscharacteristic exam findings
Evaluate for symptoms/findings that Evaluate for symptoms/findings that
suggest an underlying explanationsuggest an underlying explanation

Sleep DiariesSleep Diaries
Usually kept daily for 1-2 weeksUsually kept daily for 1-2 weeks
Help delineate variability in sleep from Help delineate variability in sleep from
day-to-dayday-to-day
May identify contributing factorsMay identify contributing factors
May help patient more accurately May help patient more accurately
perceive sleepperceive sleep

Sleep DiariesSleep Diaries
BedtimeBedtime
Time to sleep Time to sleep
onsetonset
Number of Number of
awakeningsawakenings
Time out of bed in Time out of bed in
morningmorning
Total sleep time Total sleep time
(estimated)(estimated)
Use of sleep Use of sleep
medications or medications or
other substancesother substances
Quality of sleepQuality of sleep
Daytime symptomsDaytime symptoms
Caffeine logCaffeine log
Exercise logExercise log

Sample Sleep DiarySample Sleep Diary

Example Sleep PatternsExample Sleep Patterns
6.0 hours
Yes
2+
45
Depression
Or anxiety
~5.5 hours7.5 hoursTotal Time
Asleep
YesNo
Early
Morning
Awakenings
62Awakenings
4510Sleep onset
(minutes)
InsomniaNormal

Treatment GoalsTreatment Goals
Alleviate underlying problemsAlleviate underlying problems
Prevent progression from acute to chronicPrevent progression from acute to chronic
Improve quality of lifeImprove quality of life
Treat depressionTreat depression
Treat medical conditionsTreat medical conditions
Limit all medications whenever possibleLimit all medications whenever possible

Acute InsomniaAcute Insomnia
Often does not require treatmentOften does not require treatment
Should be treated when:Should be treated when:
Daytime consequences warrant treatmentDaytime consequences warrant treatment
Episodes last more than a few daysEpisodes last more than a few days
Episodes become predictableEpisodes become predictable
Treating acute insomnia may help Treating acute insomnia may help
promote sleep hygienepromote sleep hygiene
Get a sleep diary from the patientGet a sleep diary from the patient

Chronic InsomniaChronic Insomnia
Usually requires many different Usually requires many different
approachesapproaches
Treat underlying condition firstTreat underlying condition first
May need behavioral and May need behavioral and
pharmacologic therapypharmacologic therapy
Treatment should be collaborativeTreatment should be collaborative
Get a sleep diary from the patientGet a sleep diary from the patient

Sleep HygieneSleep Hygiene
Hygiene: from where is the term derived?Hygiene: from where is the term derived?
Hygeia (also Hygea, Hygia, Hygieia) This Hygeia (also Hygea, Hygia, Hygieia) This
is derived from the name of the Greek is derived from the name of the Greek
goddess of health known as Hygeia the goddess of health known as Hygeia the
daughter of Aesculapius/Asklepios and daughter of Aesculapius/Asklepios and
sister to Panacea. While her father and sister to Panacea. While her father and
sister were connected with the treatment sister were connected with the treatment
of existing disease Hygeia was regarded of existing disease Hygeia was regarded
as being concerned with the preservation as being concerned with the preservation
of good health or the prevention of of good health or the prevention of
disease. disease.

Sleep Hygiene--BasicsSleep Hygiene--Basics
Don’t spend excessive time in bed, Don’t spend excessive time in bed,
including daytime napping.including daytime napping.
Get into bed when sleepy.Get into bed when sleepy.
Maintain a regular sleep/wake scheduleMaintain a regular sleep/wake schedule
Bed is for sleep and sex only, not TV!Bed is for sleep and sex only, not TV!
Increase exercise and fitnessIncrease exercise and fitness
Avoid caffeine and nicotine at least 4-6 Avoid caffeine and nicotine at least 4-6
hours before going to bed.hours before going to bed.

Sleep Hygiene--BasicsSleep Hygiene--Basics
Never use alcohol to go to sleep.Never use alcohol to go to sleep.
It induces sleep, but causes frequent awakeningsIt induces sleep, but causes frequent awakenings
Decreases REM sleep, increases stages 3 & 4Decreases REM sleep, increases stages 3 & 4
Chronic use causes insomnia, which can persist up to Chronic use causes insomnia, which can persist up to
a year after cessation of all drinkinga year after cessation of all drinking
Avoid excessive liquids or a heavy meal in the Avoid excessive liquids or a heavy meal in the
evening.evening.
Minimize noise, light, and temperature extremes Minimize noise, light, and temperature extremes
during sleep.during sleep.
Move alarm clock away from bed if it is Move alarm clock away from bed if it is
distractingdistracting

Sleep Hygiene--RelaxationSleep Hygiene--Relaxation
Plan a relaxation period before bed, Plan a relaxation period before bed,
develop a bedtime routine.develop a bedtime routine.
Attempts to address somatic and cognitive Attempts to address somatic and cognitive
arousalarousal
Relaxation Therapy:Relaxation Therapy:
Progressive muscle relaxationProgressive muscle relaxation
EMG BiofeedbackEMG Biofeedback
MeditationMeditation
Imagery trainingImagery training
Self-hypnosisSelf-hypnosis
Diaphragmatic breathingDiaphragmatic breathing

Sleep Hygiene—Sleep RestrictionSleep Hygiene—Sleep Restriction
If unable to fall asleep within an If unable to fall asleep within an
acceptable amount of time (15-20 min), acceptable amount of time (15-20 min),
leave the bedroom, engage in a relaxing leave the bedroom, engage in a relaxing
activity until sleepy, and then return to activity until sleepy, and then return to
bed. This is called sleep restrictionbed. This is called sleep restriction
Repeat as necessary.Repeat as necessary.
Boring activities (reading the phone book) Boring activities (reading the phone book)
count. TV/video games doesn’t count as count. TV/video games doesn’t count as
relaxing or boring—the flashing lights relaxing or boring—the flashing lights
stimulate the brain.stimulate the brain.

Sleep Hygiene—Sleep RestrictionSleep Hygiene—Sleep Restriction
Sleep Restriction TherapySleep Restriction Therapy
Track average total sleep time per nightTrack average total sleep time per night
Spend Spend onlyonly this amount of time in bed; this amount of time in bed;
minimum being 4.5 hours.minimum being 4.5 hours.
Once 90% of time in bed is spent asleep Once 90% of time in bed is spent asleep
(sleep efficiency), increase total time in (sleep efficiency), increase total time in
bed by 15 minutes every 5-7 days. bed by 15 minutes every 5-7 days.

Sleep Hygiene—Sleep RestrictionSleep Hygiene—Sleep Restriction
If sleep efficiency falls to less than 80%, If sleep efficiency falls to less than 80%,
decrease time in bed by 15 minutesdecrease time in bed by 15 minutes
Work set, daytime hours (whenever Work set, daytime hours (whenever
possible).possible).
As sleep consolidation improves, time in As sleep consolidation improves, time in
bed (and asleep) increases.bed (and asleep) increases.
Creates a mild state of sleep deprivation, Creates a mild state of sleep deprivation,
and thus promotes more rapid sleep onset and thus promotes more rapid sleep onset
and more efficient sleep.and more efficient sleep.

Sleep Hygiene—Cognitive Therapy Sleep Hygiene—Cognitive Therapy
Cognitive Therapy works to change beliefs Cognitive Therapy works to change beliefs
about insomnia:about insomnia:
Misconceptions about the causesMisconceptions about the causes
Performance anxiety and loss of control over Performance anxiety and loss of control over
the ability to sleepthe ability to sleep
Unrealistic sleep expectationsUnrealistic sleep expectations
Identify and replace dysfunctional beliefs and Identify and replace dysfunctional beliefs and
attitudes about sleepattitudes about sleep
For example, questioning the idea that you must For example, questioning the idea that you must
sleep 8 hours to function effectivelysleep 8 hours to function effectively

Behavioral TherapiesBehavioral Therapies
Reliable and enduring improvements for Reliable and enduring improvements for
chronic insomniacschronic insomniacs
Sleep latency insomniacs fell asleep faster Sleep latency insomniacs fell asleep faster
than 81% of untreated controlsthan 81% of untreated controls
Sleep maintenance insomniacs slept longer Sleep maintenance insomniacs slept longer
than 74% of untreated controlsthan 74% of untreated controls
May be used in combination with other May be used in combination with other
techniques or medicationstechniques or medications

Stimulus Control TherapyStimulus Control Therapy
Based on premise that insomnia is a Based on premise that insomnia is a
conditioned response based on cues conditioned response based on cues
associated with sleepassociated with sleep
Trains the brain to associate the bed / Trains the brain to associate the bed /
bedroom with sleepbedroom with sleep
Leave the bedroom if not sleeping within Leave the bedroom if not sleeping within
15-20 minutes15-20 minutes
Effective for sleep onset and sleep-Effective for sleep onset and sleep-
maintenancemaintenance

Other TherapiesOther Therapies
Regular exerciseRegular exercise
Helpful if timed in the late afternoonHelpful if timed in the late afternoon
Any exercise, regardless of time of day, helpsAny exercise, regardless of time of day, helps
Promotes sleep depth and qualityPromotes sleep depth and quality
May be stimulating if done in closer to May be stimulating if done in closer to
bedtimebedtime
PhototherapyPhototherapy
Exposure to daytime bright light is helpful in Exposure to daytime bright light is helpful in
treating those with slow or fast circadian treating those with slow or fast circadian
cyclescycles
May be especially helpful in the elderlyMay be especially helpful in the elderly

What works best?What works best?
Multicomponent cognitive behavior Multicomponent cognitive behavior
therapy works better than both placebo therapy works better than both placebo
and pharmacotherapy (medicines) in short and pharmacotherapy (medicines) in short
and long term cases.and long term cases.
Jacobs GD, Pace-Schott EF, Stickgold R, et al. Cognitive behavior therapy Jacobs GD, Pace-Schott EF, Stickgold R, et al. Cognitive behavior therapy
and pharmacotherapy for insomnia: a randomized controlled trial and direct and pharmacotherapy for insomnia: a randomized controlled trial and direct
comparison. comparison. Arch Intern MedArch Intern Med. 2004; 164: 1888-1896. 2004; 164: 1888-1896
Morin CM, Culbert JP, Schwartz SM. Nonpharmacological interventions for Morin CM, Culbert JP, Schwartz SM. Nonpharmacological interventions for
insomnia: a meta-analysis of treatment efficacy. insomnia: a meta-analysis of treatment efficacy. Am J PsychiatrAm J Psychiatr. 1994; 151: . 1994; 151:
1172-1180.1172-1180.
Murtagh DR, Greenwood KM. Identifying effective psychological treatments Murtagh DR, Greenwood KM. Identifying effective psychological treatments
for insomnia: a meta-analysis. for insomnia: a meta-analysis. J Consult Clin PsycholJ Consult Clin Psychol. 1995; 63:79-89.. 1995; 63:79-89.

If you have to use drugs: If you have to use drugs:
Pharmacotherapy GuidelinesPharmacotherapy Guidelines
Use the lowest Use the lowest therapeutictherapeutic dose dose
Use for the shortest duration Use for the shortest duration
necessarynecessary
Discontinue medication graduallyDiscontinue medication gradually
Be alert for rebound insomniaBe alert for rebound insomnia
Use agents with short half-lives to Use agents with short half-lives to
minimize daytime sedationminimize daytime sedation

Drugs that make you sleepDrugs that make you sleep
Drugs that make you sleep are called Drugs that make you sleep are called
“hypnotics”.“hypnotics”.
There are many types of hypnotics:There are many types of hypnotics:
Sedating antihistamines (over the counter)Sedating antihistamines (over the counter)
Herbals (over the counter)Herbals (over the counter)
Benzodiazepines (prescription/controlled)Benzodiazepines (prescription/controlled)
Benzodiazepine-Like (prescription/controlled)Benzodiazepine-Like (prescription/controlled)
Melatonin receptor agonists (prescription)Melatonin receptor agonists (prescription)
Antidepressants (prescription)Antidepressants (prescription)
Antipsychotics (prescription)Antipsychotics (prescription)

Over the Counter Medicines—FDA Over the Counter Medicines—FDA
approved and regulatedapproved and regulated
Sedating antihistamines: Sedating antihistamines:
diphenhydramine (Benadryl) and diphenhydramine (Benadryl) and
doxylaminedoxylamine
Nighttime Sleep Aid Nighttime Sleep Aid
Sleep Aid Liqui-Gels Sleep Aid Liqui-Gels
Maxium Strength Unisom Nighttime Sleep AidMaxium Strength Unisom Nighttime Sleep Aid
Tylenol PMTylenol PM

OTC Medicines—FDA approved OTC Medicines—FDA approved
and regulatedand regulated
Sedating antihistamines continued:Sedating antihistamines continued:
Not addictive, but tolerance develops Not addictive, but tolerance develops
quicklyquickly
Daytime sleepiness, anticholinergic side Daytime sleepiness, anticholinergic side
effects commoneffects common
Dry mouth, constipation, urinary retention, Dry mouth, constipation, urinary retention,
memory impairment, confusion (dries up memory impairment, confusion (dries up
sinuses if post nasal drip is what keeps you sinuses if post nasal drip is what keeps you
up)up)

OTC Medicines--herbalsOTC Medicines--herbals
Not FDA regulated:Not FDA regulated:
Valerian rootValerian root
Used for anxiety, and as a sleep aidUsed for anxiety, and as a sleep aid
Dosing uncertainDosing uncertain
Powerful odorPowerful odor
Kava-kavaKava-kava
Can cause liver failureCan cause liver failure
Dosing uncertain Dosing uncertain
Sateia MJ, Nowell PD. Insomnia. Sateia MJ, Nowell PD. Insomnia. LancetLancet. 2004; 364:1959-1973. 2004; 364:1959-1973

OTC Medicines--herbalsOTC Medicines--herbals
Melatonin—hormone made by the pituitary Melatonin—hormone made by the pituitary
gland in the brain (at night/when dark)gland in the brain (at night/when dark)
Best for shift work/jet lag; shifts sleep to dark Best for shift work/jet lag; shifts sleep to dark
hourshours
Schenck CH, Mahowald MW, Sack RL. Assessment and management of Schenck CH, Mahowald MW, Sack RL. Assessment and management of
insomnia JAMA 2003;289:2475-2479.insomnia JAMA 2003;289:2475-2479.
For insomnia not related to shift work/jet lag, For insomnia not related to shift work/jet lag,
there is NO convincing evidence it works.there is NO convincing evidence it works.
Silber MH, Chronic insomnia. Silber MH, Chronic insomnia. N Engl J Med. N Engl J Med. 2005;353:803-8102005;353:803-810
Almeida Montes LG, Ontiveros Uribe MP, Cortez Sotres J, et al. Treatment of Almeida Montes LG, Ontiveros Uribe MP, Cortez Sotres J, et al. Treatment of
primary insomnia with melatonin: a double-blind, placebo-controlled, crossover primary insomnia with melatonin: a double-blind, placebo-controlled, crossover
study. study. J Psychiatry Neurosc.J Psychiatry Neurosc. 2003; 28: 191-196 2003; 28: 191-196

Prescription Medicines: Prescription Medicines:
BenzodiazepinesBenzodiazepines
Non-selectivelyNon-selectively bind to the bind to the
benzodiazepine-GABA (Gamma-benzodiazepine-GABA (Gamma-
AminoButyric Acid) receptor complex in AminoButyric Acid) receptor complex in
the brainthe brain
Effective in inducing, maintaining, and Effective in inducing, maintaining, and
consolidating sleep; and in decreasing consolidating sleep; and in decreasing
daytime consequences of insomniadaytime consequences of insomnia

Prescription Medicines: Prescription Medicines:
BenzodiazepinesBenzodiazepines
Side effects include daytime drowsiness, Side effects include daytime drowsiness,
anterograde amnesia, impairments in anterograde amnesia, impairments in
memory and psychomotor performance.memory and psychomotor performance.
Addiction, habituation, tolerance, rebound Addiction, habituation, tolerance, rebound
insomnia, withdrawal symptoms, anxiety insomnia, withdrawal symptoms, anxiety
can all occur with benzo usecan all occur with benzo use
When combined with alcohol, When combined with alcohol,
benzodiazepines can be deadly.benzodiazepines can be deadly.
Increases fall risk in the elderly (and Increases fall risk in the elderly (and
concomitant hip fractures)concomitant hip fractures)

Prescription Medicines: Prescription Medicines:
BenzodiazepinesBenzodiazepines
No one medicine in the class works any No one medicine in the class works any
better than any other medicine.better than any other medicine.
Those with a short half-life work better for Those with a short half-life work better for
those who have trouble falling asleepthose who have trouble falling asleep
Those with a longer half-life work better for Those with a longer half-life work better for
those who cannot stay asleepthose who cannot stay asleep
No benzodiazepine is FDA approved for No benzodiazepine is FDA approved for
chronicchronic use (think vioxx)! use (think vioxx)!

Presciption Medicines: Presciption Medicines:
Benzodiazepines—how they workBenzodiazepines—how they work
Generic name (brand)--duration/onset of effectsGeneric name (brand)--duration/onset of effects
used forused for
Triazolam (Halcion) – short/rapidTriazolam (Halcion) – short/rapid
sleep onset insomnia; pregnancy category Xsleep onset insomnia; pregnancy category X
Estazolam (ProSom) – intermed/rapid Estazolam (ProSom) – intermed/rapid
both sleep onset and maintenance insomnia; preg category Xboth sleep onset and maintenance insomnia; preg category X
Temazepam (Restoril) – intermed/slowTemazepam (Restoril) – intermed/slow
Sleep maintenance; pregnancy category XSleep maintenance; pregnancy category X
Flurazepam (Dalmane) – long/intermedFlurazepam (Dalmane) – long/intermed
Sleep maintenance—active metabolite for over 100 hours; XSleep maintenance—active metabolite for over 100 hours; X
Quazepam (Doral) – long/intermedQuazepam (Doral) – long/intermed
Sleep maintenance—active metabolite for over 100 hoursSleep maintenance—active metabolite for over 100 hours

Prescription Medicines: Prescription Medicines:
Benzodiazepine InformationBenzodiazepine Information
10-15% of users take them regularly for 10-15% of users take them regularly for
more than a year (not FDA approved)more than a year (not FDA approved)
Many patients (not all) develop physical Many patients (not all) develop physical
dependence and/or tolerancedependence and/or tolerance
Once an effective dose is established, Once an effective dose is established,
higher doses typically only increase side higher doses typically only increase side
effectseffects
Sudden withdrawal can be dangerous to Sudden withdrawal can be dangerous to
the patientthe patient

Prescription Medicines: Prescription Medicines:
Benzodiazepine ContraindicationsBenzodiazepine Contraindications
Pregnant women (most are category X)Pregnant women (most are category X)
Untreated sleep-related breathing disorderUntreated sleep-related breathing disorder
Alcohol or substance abuseAlcohol or substance abuse
Patients who might need to awaken and Patients who might need to awaken and
function during their normal sleep periodfunction during their normal sleep period
Parents, doctors, fire-fighters, etc.Parents, doctors, fire-fighters, etc.
Monitor those with hepatic, renal, or Monitor those with hepatic, renal, or
pulmonary disease; and use with cautionpulmonary disease; and use with caution

Prescription Medicines: Prescription Medicines:
Benzodiazepine-LikeBenzodiazepine-Like
Benzodiazepine-Like medicines Benzodiazepine-Like medicines selectivelyselectively
bind to the benzo-GABA receptor.bind to the benzo-GABA receptor.
The benzos we learned about before are non-The benzos we learned about before are non-
selective; there should be fewer side effects selective; there should be fewer side effects
with the Benzo-Like meds than true benzos.with the Benzo-Like meds than true benzos.
Exact mechanism of action is unknownExact mechanism of action is unknown
Help people go to sleep (sleep latency), Help people go to sleep (sleep latency),
and stay asleep (sleep maintenance).and stay asleep (sleep maintenance).

Prescription Medicines: Prescription Medicines:
Benzodiazepine-LikeBenzodiazepine-Like
Eszopiclone (Lunesta)—intermed/rapidEszopiclone (Lunesta)—intermed/rapid
Sleep maintenance (metallic taste); pregnancy category CSleep maintenance (metallic taste); pregnancy category C
Zolpidem (Ambien)—short/rapidZolpidem (Ambien)—short/rapid
Sleep latency; side effects include: sleepwalking, sleep-Sleep latency; side effects include: sleepwalking, sleep-
related eating disorder; pregnancy category B (?C)related eating disorder; pregnancy category B (?C)
Zolpidem controlled release (Ambien CR)—Zolpidem controlled release (Ambien CR)—
intermed/rapidintermed/rapid
Sleep latency, sleep maintenance; pregnancy category CSleep latency, sleep maintenance; pregnancy category C
Zaleplon (Sonata)—ultrashortZaleplon (Sonata)—ultrashort
Sleep latency, can take in the middle of the night if you Sleep latency, can take in the middle of the night if you
awaken; pregnancy category Cawaken; pregnancy category C

Prescription Medicines: Prescription Medicines:
Benzodiazepine-LikeBenzodiazepine-Like
Zolpidem (Ambien) and Zaleplon (Sonata)Zolpidem (Ambien) and Zaleplon (Sonata)
Zolpidem t ½ = 2.5 hours; no residual Zolpidem t ½ = 2.5 hours; no residual
effects if taken 5 hours before awakening; effects if taken 5 hours before awakening;
works well for freq. awakenings; Preg. B, works well for freq. awakenings; Preg. B,
and generally regarded safe in nursingand generally regarded safe in nursing
Zaleplon t ½ = 1 hour; no residual effects Zaleplon t ½ = 1 hour; no residual effects
if taken > 2 hours before awakening; if taken > 2 hours before awakening;
works well for terminal insomnia; Preg. Cworks well for terminal insomnia; Preg. C
Relatively new = relatively expensiveRelatively new = relatively expensive

Prescription Medicines: Prescription Medicines:
Melatonin-Receptor AgonistMelatonin-Receptor Agonist
Ramelteon (Rozerem)—short duration: 1-2.5 hrsRamelteon (Rozerem)—short duration: 1-2.5 hrs
Sleep latency, not sleep maintenanceSleep latency, not sleep maintenance
may increase prolactin levels (meaning you may may increase prolactin levels (meaning you may
lactate—typically undesired, especially in men) lactate—typically undesired, especially in men)
Dizziness, nausea, headache all commonDizziness, nausea, headache all common
No dependence, withdrawal, or rebound insomnia!No dependence, withdrawal, or rebound insomnia!
NOT a controlled substanceNOT a controlled substance
New medicine, long-term effects unknown; New medicine, long-term effects unknown;
pregnancy category C, pregnancy category C,
activity not through GABA receptor complexactivity not through GABA receptor complex
Do not take after a high-fat mealDo not take after a high-fat meal

Prescription Medicines: Prescription Medicines:
Other Drugs (antidepressants)Other Drugs (antidepressants)
Amitriptyline (Elavil)Amitriptyline (Elavil)
Tricyclic antidepressant, inhibits norepinephrine and Tricyclic antidepressant, inhibits norepinephrine and
serotonin uptake in the CNS—pregnany category Cserotonin uptake in the CNS—pregnany category C
Doxepin (Adapin)Doxepin (Adapin)
Tricyclic antidepressant, inhibits norepinephrine and Tricyclic antidepressant, inhibits norepinephrine and
serotonin uptake in the CNS—pregnancy category Cserotonin uptake in the CNS—pregnancy category C
Trazadone (Desyrel)Trazadone (Desyrel)
sedating antidepressant (non-TCA/non SSRI)—cat. Csedating antidepressant (non-TCA/non SSRI)—cat. C
Mirtazapine (Remeron)Mirtazapine (Remeron)
Sedating antidepressant, antagonizes alpha2-Sedating antidepressant, antagonizes alpha2-
adrenergic and serotonin 5-HT2 receptors (tetracyclic)adrenergic and serotonin 5-HT2 receptors (tetracyclic)
—pregnancy category C—pregnancy category C

Prescription Medicines: Prescription Medicines:
Other Drugs (antidepressants)Other Drugs (antidepressants)
Antidepressants only work well if patient is Antidepressants only work well if patient is
depressed; otherwise, trazadone and elavil depressed; otherwise, trazadone and elavil
work, but not as well as Ambien (Benzo-Like).work, but not as well as Ambien (Benzo-Like).
Should not be used in combination as a sleep Should not be used in combination as a sleep
aid if the patient is taking some other form of aid if the patient is taking some other form of
antidepressant.antidepressant.
Antidepressants used as sleep aids are not Antidepressants used as sleep aids are not
addicting.addicting.
Antipsychotics should only be used in psychotic Antipsychotics should only be used in psychotic
patients or occasionally the elderly in an patients or occasionally the elderly in an
institutional setting, if they cannot tolerate other institutional setting, if they cannot tolerate other
medicinesmedicines

If all else failsIf all else fails
If your bed partner sleeps well, but keeps If your bed partner sleeps well, but keeps
you up by snoring, moving, coughing, etc., you up by snoring, moving, coughing, etc.,
sleep in a different bed or in a different sleep in a different bed or in a different
room. room.

SummarySummary
Be alert for symptoms of insomnia and Be alert for symptoms of insomnia and
depressiondepression
Determine specific type of sleep problemDetermine specific type of sleep problem
Make a differential diagnosisMake a differential diagnosis
Don’t neglect behavioral therapiesDon’t neglect behavioral therapies
Pay attention to onset of action/duration of Pay attention to onset of action/duration of
effect of all medicines usedeffect of all medicines used
Teach ALL insomniacs proper sleep Teach ALL insomniacs proper sleep
hygienehygiene

ReferencesReferences
1) AAFP and American Academy of Sleep Medicine 1) AAFP and American Academy of Sleep Medicine
Monograph “Strategies for Managing Insomnia” 1999Monograph “Strategies for Managing Insomnia” 1999
2) Roth T, Roehrs T. Insomnia: Epidemiology, 2) Roth T, Roehrs T. Insomnia: Epidemiology,
characteristics, and consequences. characteristics, and consequences. Clin CornerstoneClin Cornerstone
2003;5(3):5-152003;5(3):5-15
3) Neubauer DN. Pharmacologic approaches to the 3) Neubauer DN. Pharmacologic approaches to the
treatment of chronic insomnia. treatment of chronic insomnia. Clin CornerstoneClin Cornerstone
2003;5(3):16-272003;5(3):16-27
4) Smith MT, Neubauer DN. Cognitive behavior therapy 4) Smith MT, Neubauer DN. Cognitive behavior therapy
for chronic insomnia. for chronic insomnia. Clin CornerstoneClin Cornerstone 2003;5(3):28-40 2003;5(3):28-40
5) Kupfer DJ, Reynolds CF. Management of Insomnia. 5) Kupfer DJ, Reynolds CF. Management of Insomnia.
NEJM 1997;336:341-46NEJM 1997;336:341-46

ReferencesReferences
6) National Center on Sleep Disorders Research… 6) National Center on Sleep Disorders Research…
Insomnia: Assessment and Management in Primary Insomnia: Assessment and Management in Primary
Care. NIH/NHLBI, 1998: 1-16Care. NIH/NHLBI, 1998: 1-16
7) Hauri PJ. Sleep Disorders. Clinics in Chest Medicine. 7) Hauri PJ. Sleep Disorders. Clinics in Chest Medicine.
1998;19:157-681998;19:157-68
8) Simon GE, VonKorff M. Prevalence, burden, and 8) Simon GE, VonKorff M. Prevalence, burden, and
treatment of insomnia in primary care. treatment of insomnia in primary care. Am J PsychiatryAm J Psychiatry
1997;154:1417-14231997;154:1417-1423
9) Krystal AD. Insomnia in women. 9) Krystal AD. Insomnia in women. Clin CornerstoneClin Cornerstone
2003;5(3):41-502003;5(3):41-50
10) Ward SH, Ward LD. The evaluation and 10) Ward SH, Ward LD. The evaluation and
management of insomnia in primary care. management of insomnia in primary care. Patient CarePatient Care. .
July 2006;40:46-55.July 2006;40:46-55.
11) Gritz BF. “Overview of Insomnia” CME-TAFP 11) Gritz BF. “Overview of Insomnia” CME-TAFP
Primary Care Lecture Series. Dec 6, 2006.Primary Care Lecture Series. Dec 6, 2006.