Many people who are depressed

A) enter REM sleep at a normal time, but have very slow and mild rapid eye movements and have less
overall time in REM sleep than normal.
B) enter REM sleep earlier than normal and have larger amounts of REM sleep early in the night.
C) show very little REM sleep, instead they spend large amounts of time in the deeper stages (3 and 4)
of sleep.
D) do not enter REM sleep until much later in the night than normal and have smaller amounts of REM
sleep throughout the night than normal.

B