Felix Is a Young Adult Who Has Been Asleep for Three

Multiple Choice

Felix is a young adult who has been asleep for three hours.As he continues to sleep,we can expect that

A) NREM-2 sleep will diminish and that NREM-1 sleep will increase in duration.
B) NREM-3 sleep will diminish and that NREM-1 sleep will increase in duration.
C) NREM-3 sleep will diminish and that REM sleep will increase in duration.
D) REM sleep will diminish and that NREM-3 sleep will increase in duration.