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19 Cards in this Set
- Front
- Back
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circadian rhythm
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complete a full cycle every 24 hours
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delta sleep
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deep-sleep state; slow-wave sleep (Stages II and IV)
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dyssomnias
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sleep disorders characterized by insomnia or excessive sleepiness
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enuresis
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urinating during sleep
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hypersomnia
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excessive sleep, particularly during the day
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insomnia
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difficulty falling asleep, intermittent sleep, or early awakening from sleep
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melatonin
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natural chemical produced at night that decreases wakefulness and promotes sleep
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narcolepsy
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uncontrollable desire to sleep
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nocturnal myoclonus
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jerking of one or both legs during sleep
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non-rapid eye movement (NREM) sleep
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75% of total sleep;
parasympathetic nervous system increases; pulse, RR, BP, metabolic rate, and body temp decrease 4 stages |
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parasomnias
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patterns of waking behavior that appear during sleep
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rapid eye movement (REM) sleep
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20 - 25% of total sleep;
pulse, RR, BP, metabolic rate, and body temp increase; skeletal muscle tone and deep tendon reflexes are depressed |
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rest
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body is in a decreased state of activity with the consequent feeling of being refreshed
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restless leg syndrome
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cannot lie still; unpleasant creeping. crawling, or tingling sensations occur in the legs
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sleep
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a state of rest accompanied by altered consciousness and relative inactivity
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sleep apnea
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the absence of breathing (apnea) or diminished breathing efforts (hypopnea) during sleep between snoring intervals
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sleep cycle
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where a person passes consecutively through the four stages of NREM sleep
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sleep deprivation
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decrease in the amount, consistency, or quality of sleep
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somnambulism
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sleep walking
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