- Biorhythms
- inner rhythms that appear to control a variety of biologic processes
- Circadian synchronization
- the person is awake when the physiologic and psychologic rhythms are most active and is asleep when the physiologic and psychologic rhythms are most inactive
- Effleurage
- a stroking massage technique
- Electroencephalogram
- (EEG) a graph of the electrical activity of the brain
- Hypersomnia
- excessive sleep
- Insomnia
- inability to obtain a sufficient quality or quantity of sleep
- Narcolepsy
- a condition in which an individual experiences an uncontrollable desire for sleep or attacks of sleep during the day
- Nocturnal emissions
- orgasm and emission of semen during sleep
- NREM sleep
- (Non-REM sleep) a deep restful sleep rate; also called slow wave sleep
- Parasomnia
- a cluster or pattern of waking behavior that appears during sleep, such as somnambulism (sleepwalking), sleeptalking, and enuresis (bedwetting)
- Polysomnography
- a cluster or pattern of waking behavior that appears during sleep, such as somnabulism (sleepwalking), sleeptalking, and enuresis (bedwetting)
- Primary sleep disorders
- the person’s sleep problem is the main disorder; include insomnia, hypersomnia, narcolepsy, sleep apnea, and sleep deprivation
- REM sleep
- sleep during which the person experiences rapid eye movements
- Rest
- calmness, relaxation without emotional stress, and freedom from anxiety
- Secondary sleep disorders
- sleep disturbance caused by another clinical disorder
- Sleep
- an altered state of consciousness in which the individual’s perception of and reaction to the environment are decreased
- Sleep apnea
- periodic cessation of breathing during sleep
- Sleep deprivation
- a syndrome caused by decreases in amount, quality, and consistency of sleep; produces a variety of physiologic and behavioral symptoms, the severity of which depend on the degree of deprivation
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