On an average, REM sleep periods last about _______________.
A) 5 minutes
B) 20 minutes
C) 30 minutes
D) 90 minutes

Question

Quizplus · Accepted Answer

On average, REM sleep periods last about 20 minutes. REM sleep cycles, which are characterized by rapid eye movement and vivid dreaming, typically lengthen through the night, with the first cycle being the shortest and subsequent ones longer, but on average, a single REM period lasts around 20 minutes.

On an Average, REM Sleep Periods Last About _______________