rapid eye movement sleep

(redirected from REM frequency)
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Noun1.rapid eye movement sleep - a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
paradoxical sleep, rapid eye movement, REM, REM sleep
sleep, slumber - a natural and periodic state of rest during which consciousness of the world is suspended; "he didn't get enough sleep last night"; "calm as a child in dreamless slumber"
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