rapid eye movement sleep(redirected from REM frequency)
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rap·id eye move·ment sleep, 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.
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rapid eye movement sleepSee REM sleep, Sleep stages.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.