Rapid eye movement (REM) sleep occurs in cycles approximately how often?
A)45 minutes
B)90 minutes
C)120 minutes
D)150 minutes

Name: Rapid eye movement (REM) sleep occurs in cycles approximately how often? A)45 minutes B)90 minutes C)120 minutes D)150 minutes
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Quizplus · Accepted Answer

REM sleep accounts for 20% to 25% of sleep time and is characterized by desynchronized, low-voltage, fast activity that occurs for 5 to 60 minutes approximately every 90 minutes, beginning after 1 to 2 hours of non-REM sleep.

Rapid Eye Movement (REM) Sleep Occurs in Cycles Approximately How