Identify the True Statement(s)

Multiple Choice

Identify the true statement(s) .

A) Slow-wave sleep occupies a greater percentage of time than paradoxical sleep.
B) It is harder to fall asleep when fully awake than to stay awake when sleepy.
C) Slow-wave sleep is characterized by frequent shifts in body position.
D) Sleep-on neurons in the slow-wave sleep center bring on sleep.
E) All of the above