Multiple Choice
Which statement about sleep and aging is supported by research?
A) the amount of REM sleep increases considerably over the years.
B) NREM diminishes more sharply than REM sleep over the years.
C) the amount of REM sleep decreases considerably over the years.
D) REM sleep remains fairly constant over the years,but NREM increases slightly.
Correct Answer:

Verified
Correct Answer:
Verified
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