REM sleep is sometimes called 'active sleep' for all the following reasons except
A) heartbeat is fast and irregular during REM sleep.
B) brain activity is intense during REM sleep.
C) vivid dreams occur during REM sleep.
D) the activity of skeletal muscles increases during REM sleep.

Question

Quizplus · Accepted Answer

The activity of skeletal muscles is actually suppressed during REM sleep, which is why it is sometimes called paradoxical sleep.

REM Sleep Is Sometimes Called 'Active Sleep' for All the Following