Multiple Choice
Which of the following best characterizes a night of sleep?
A) A person falls into light sleep and then, ends in deep sleep.
B) A person passes from light sleep to dream sleep and ultimately to deep sleep.
C) A person's depth of sleep alternates up and down several times.
D) A person's sleep cycle skips REM sleep.
Correct Answer:

Verified
Correct Answer:
Verified
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