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Electrophysiology of Sleep STAGES OF SLEEP A. NON-REM – 75% Stage 1 -( 5%) 3 to 7 cps theta waves,
vertex sharp wave Stage 2 - (45%) 12 to 14 cps with sleep
spindles and K complex Stage 3 - (12%) ½ to 2 cps delta waves
A.THE PREDOMINANT COMPLAINT IS DIFFICULTY INITIATING OR MAINTAINING SLEEP,OR NONRESTORATIVE SLEEP FOR AT LEAST ONE MONTH
b. the sleep disturbance (or asso. daytime fatigue) causes clinically significant distress or impairment in social, occupational, or other areas of functioning
c. no other sleep disorder, such as narcolepsy no other mental disturbance d. not due to substance or general medical
condition
Psychophysiological Insomnia AKA conditioned insomnia Work and relationships are satisfying Other characteristics: 1. excessive worry of not being able to sleep 2. trying too hard to sleep 3. rumination 4. inc. muscle tension when attempting to
sleep 5. able to sleep away from the bedroom,
being able to sleep when not trying SLEEP STATE MISPERCEPTION
SLEEP HYGIENE
ARISE AT THE SAME TIME DAILY LIMIT DAILY IN BED TIME TO THE
AVOID EVENING STIMULATION TRY 20 MIN. HOT BATH SOAKS EAT REGULAR MEALS AT DAYTIME,
AVOID LARGE MEALS NEAR BEDTIME PRACTICE EVENING RELAXATION
TECHNIQUES MAINTAIN COMFORTABLE SLEEPING
CONTIONS
DYSSOMNIA CRITERIA FOR PRIMARYHYPERSOMNIA
A. THE PREDOMINANT COMPLAINT IS EXCESSIVE SLEEPINESS FOR AT LEAST ONE MONTH ( OR LESS IF RECURRENT) AS EVIDENCED BY PROLONGED SLEEP EPISODES OR DAYTIME SLEEP EPISODES THAT OCCUR ALMOST DAILY
B. THE EXCESSIVE SLEEPINESS IS NOT BETTER ACCOUNTED FOR BY INSOMNIA AND DOES NOT OCCUR EXCLUSIVELY DURING THE COURSE OF ANOTHER SLEEP DISORDER
DIAGNOSTIC CRITERIA FOR NARCOLEPSY (primary hypersomnia)
A. IRRESISTIBLE ATTACKS OF REFRESHING SLEEP THAT OCCUR DAILY OVER AT LEAST 3 MONTHS
B. PRESENCE OF ONE OR BOTH OF THE FOLLOWING:
1. CATAPLEXY- brief episodes of sudden bilateral loss of muscle tone, most often in association with intense emotion
2. recurrent intrusions of elements of REM sleep into the transition bet. Sleep and wakefulness, as manifested by either hypnopompic or hypnagogic hallucinations or sleep paralysis at the beginning or end of sleep episodes
DIAGNOSTIC CRITERIA FOR CIRCADIAN RHYTHM SLEEP DISORDER
A . PERSISTENT OR RECURRENT PATTERN OF SLEEP DISRUPTION LEADING TO EXCESSIVE SLEEPINESS OR INSOMNIA THAT IS DUE TO A MISMATCH BETWEEN THE SLEEP WAKE SCHEDULE REQUIRED BY A PERSON’S ENVIRONMENT AND HIS CIRCADIAN SLEEP WAKE PATTERN
BCD
CIRCADIAN SLEEP DISORDER
SPECIFY TYPE: A. DELAYED SLEEP PHASE TYPE- A
PERSISTENT PATTERN OF LATE SLEEP ONSET AND LATE AWKENING TIMES WITH INABILITY TO FALL ASLEEP AND AWAKEN AT A DESIRED EARLIER TIME
B. JET LAG TYPE C. SHIFT WORK TYPE
PARASOMNIAS
ABNORMAL BEHAVIOR DURING SLEEP OR THE TRANSITION BETWEEN SLEEP AND WAKEFULNESS
DIAGNOSTIC CRITERIA FOR NIGHTMARE DISORDERS
A. REPEATED AWAKENINGS FROM THE MAJOR SLEEP PERIOD OR NAPS WITH DETAILED RECALL OF EXTENDED AND EXTREMELY FRIGHTENING DREAMS, USUALLY INVOLVING THREATS TO SURVIVAL, SECURITY OR SELF ESTEEM, THE AWAKENINGS GENERALLY OCCUR DURING THE SECOND HALF OF THE SLEEP PERIOD
NIGHTMARE DISORDERS
B. ON AWAKENING FROM THE FRIGHTENING DREAMS, THE PERSON RAPIDLY BECOMES ORIENTED AND ALERT
C. THE DREAM EXPERIENCE OR THE SLEEP DISTURBANCE RESULTING FROM THE AWAKENING CAUSES SIGNIFICANT DISTRESS
D. NO OTHER MENTAL DISORDER, OR INTAKE OF PHYSIOLOGICAL SUBSTANCE
DIAGNOSTIC CRITERIA FOR SLEEP TERROR DISORDER
A. RECURRENT EPISODES OF ABRUPT AWAKENING FROM SLEEP USUALLY OCCURING DURING THE FIRST THIRD OF THE MAJOR SLEEP EPISODE AND BEGINNING WITH A PANICKY SCREAM
B. INTENSE FEAR AND SIGNS OF AUTONOMIC AROUSAL SUCH AS TACHYCARDIA, RAPID BREATHING, SWEATING DURING EACH EPISODE
C. RELATIVE UNRESPONSIVENESS TO EFFORTS OF OTHERS TO COMFORT THE PERSON DURING THE EPISODE
D. NO DETAILED DREAM IS RECALLED AND THERE IS AMNESIA FOR THE EPISODE
EF
DIAGNOSTIC CRITERIA FOR SLEEPWALKING DISORDER
A. REPEATED EPISODES OF RISING FROM BED DURING SLEEP AND WALKING ABOUT, USUALLY OCCURING DURING THE FIRST THIRD OF THE MAJOR SLEEP EPISODE
B. WHILE SLEEPWALKING THE PERSON HAS A BLANK STARING FACE IS RELATIVELY UNRESPONSIVE AT EFFORTS TO COMMUNICATE AND CAN BE AWAKENED WITH A GREAT DEAL OF DIFFICULTY
C. ON AWAKENING THE PATIENT HAS AMNESIA OF THE EPISODE
D. WITHIN SEVERAL MINUTES AFTER AWKENING FROM THE SLEEPWALKING EPISODE, THERE IS NO IMPAIRMENT OF MENTAL ACTIVITY OR BEHAVIOR
E. COMMON CRITERIA
INSOMNIA RELATED TO ANOTHER PSYCHIATRIC ILLNESS
Insomnia in depression-normal sleep onset, repeated awakenings
Insomnia in mania- reduction in need for sleep
Insomnia in schizophrenia- reduction of total sleep time , slow wave sleep, REM