Feli has been asleep for three hours. As he continues to sleep, we can expect that
A. Stage 2 sleep will diminish and that Stage 3 sleep will increase in duration.
B. Stage 3 sleep will diminish and that Stage 2 sleep will increase in duration,
C. Stage 3 sleep will diminish and that REM sleep will increase in duration.
D. REM sleep will diminish and that Stage 3 sleep will increase in duration