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The dimensions of sleep
The organization of sleep
The changes with
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24 hours activity amount of sleep associated average awake awakening barbiturates behavior biorhythm brain central nervous system certainly changes chapter chronic complex continue decrease deep sleep differences in sleep disturbed sleep dosage dreams drugs effect on sleep environment function go to sleep hours per night hypersomnia increased individual differences insomnia laboratory latency less limited long sleepers measures naps narcolepsy narcoleptics natural night terrors nightmares normal occur parasomnias particular pathological patients patterns of sleep percent performance person physiological present pressure prior wakefulness problem range reduced relationship REM episodes REM sleep reported response result rhythm schizophrenia sedatives Seuss short sleepers sleep amounts sleep and waking sleep deprivation sleep disorders sleep disturbances sleep length sleep loss sleep onset sleep patterns sleep period sleep research sleep stages sleepwalking slow-wave sleep Stage 4 sleep stimulants studies subjects substructure symptoms tendencies total sleep traits tranquilizers typically variables variations varying