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Definition of Rapid eye movement sleep
1. Noun. A recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep.
Exact synonyms: Paradoxical Sleep, Rapid Eye Movement, Rem, Rem Sleep
Generic synonyms: Sleep, Slumber
Generic synonyms: Sleep, Slumber
Medical Definition of Rapid eye movement sleep
1. REM sleep, that state of deep sleep in which rapid eye movements, alert EEG pattern, and dreaming occur; several central and autonomic functions are distinctive during this state. (05 Mar 2000)