As the night progresses,
A)NREM sleep decreases and REM sleep increases.
B)REM sleep decreases and NREM sleep increases.
C)REM and NREM sleep both decrease.
D)REM and NREM sleep both increase.

Question

As the night progresses,​ 
A)NREM sleep decreases and REM sleep increases. 
B)REM sleep decreases and NREM sleep increases. 
C)REM and NREM sleep both decrease. 
D)REM and NREM sleep both increase.

Quizplus · Accepted Answer

As the night progresses, NREM sleep decreases and REM sleep increases. This is because NREM sleep dominates the early part of the night, while REM sleep increases in the later part of the night. REM sleep is important as it is thought to play a role in memory consolidation, while NREM sleep is important for physical restoration and growth.

As the Night Progresses,​

As the Night Progresses,