For a normal person,about how long does a cycle of sleep (from stage 1 to stage 4 and back again)last?
A)10 minutes
B)90 minutes
C)4 hours
D)7 hours

Name: For a normal person,about how long does a cycle of sleep (from stage 1 to stage 4 and back again)last? A)10 minutes B)90 minutes C)4 hours D)7 hours
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Question

For a normal person,about how long does a cycle of sleep (from stage 1 to stage 4 and back again)last?​
A)10 minutes
B)​90 minutes
C)​4 hours
D)7 hours

Quizplus · Accepted Answer

A complete cycle of sleep, which includes all stages of non-REM and REM sleep, typically lasts around 90 minutes for a normal person. This cycle repeats throughout the night.

For a Normal Person,about How Long Does a Cycle of Sleep