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rapid eye movement sleep
(redirected from REM dream)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
Rapid eye movement (REM) sleep
A phase of sleep during which the person's eyes move rapidly beneath the lids. It accounts for 20-25% of sleep time. Dreaming occurs during REM sleep.
Mentioned in: Sleep Disorders

sleep
a period of rest during which volition and consciousness are in partial or complete abeyance and the bodily functions partially suspended; a behavioral state marked by characteristic immobile posture and diminished but readily reversible sensitivity to external stimuli.

sleep deprivation
caused in animals by constant stimulation, e.g. preventing them from lying down, is followed by a compensatory period of prolonged sleep whenever the opportunity arises.
sleep disorders
put to sleep
a common euphemism for euthanasia.
rapid eye movement sleep
that type of sleep characterized by low voltage but fast electroencephalographic activity and little muscular activity except of the ocular muscles. Believed to be the critical or necessary component of sleep. Called also 'sleep of the body' and paradoxical sleep. Called also REM.

rapid eye movement sleep


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The shorter sleeper will have a 5 minute REM dream period, a lot more delta sleep, and then another REM that lasts10 minutes, and that''s usually all of the REM sleep that short sleeper will get for the entire night.
Usually, increasing periods of REM sleep follow delta sleep, followed by returns to N1 or N2, during which the sleeper is most likely to remember the preceding REM dream.
However, REM dreams evoking the most anxiety and hostility were associated with rises in glucose metabolism in a section of the brain's frontal lobes that was comparably active while participants were awake and talking with an experimenter.
 
 
 
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