Over the course of an average night, the amount of time spent in REM sleep steadily decreases and the interval between successive REM states becomes longer and longer.

Question

Quizplus · Accepted Answer

Over the course of an average night, the amount of time spent in REM sleep actually increases, and the interval between successive REM states becomes shorter, leading to longer REM periods towards the morning.

Over the Course of an Average Night, the Amount of Time