Your alarm clock is set to wake you up two hours before you would normally arise. After a few days of this, you shut off your alarm clock and go to sleep. We would now expect to show
A) even less REM sleep than usual.
B) more REM sleep than usual.
C) no REM sleep.
D) the same REM sleep as usual.
E) only REM sleep.

Question

Quizplus · Accepted Answer

This is because REM sleep tends to increase after sleep deprivation or altered sleep patterns, as the body attempts to compensate for the lost sleep, particularly the lost REM sleep, in a phenomenon known as REM rebound.

Your Alarm Clock Is Set to Wake You Up Two