Multiple Choice
Which of the following is TRUE regarding a typical night's sleep cycles?
A) There are 7-8 cycles per night, each lasting about an hour.
B) REM sleep increases during the night.
C) Brain waves increase in frequency and decrease in amplitude as the night progresses.
D) Everyone always progresses from Stage 1 to 3, and back.
Correct Answer:
Verified
Correct Answer:
Verified
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