Penile tumescence and vaginal engorgement in REM sleep occur with what frequency?

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Multiple Choice

Penile tumescence and vaginal engorgement in REM sleep occur with what frequency?

REM sleep brings a surge of parasympathetic activity that promotes genital arousal, leading to penile tumescence in men and vaginal engorgement in women. These responses are normal and commonly occur during REM periods. Since REM sleep cycles occur several times each night, genital arousal events happen repeatedly, making them frequent rather than rare or absent. They can occur even without sexual dreams, reflecting a natural, physiological process during sleep.

REM sleep brings a surge of parasympathetic activity that promotes genital arousal, leading to penile tumescence in men and vaginal engorgement in women. These responses are normal and commonly occur during REM periods. Since REM sleep cycles occur several times each night, genital arousal events happen repeatedly, making them frequent rather than rare or absent. They can occur even without sexual dreams, reflecting a natural, physiological process during sleep.

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