Author Question: What is a typical REM and N-REM cycling in humans? a. First half of sleep: N-REM dominates; ... (Read 79 times)

laurencescou · **on:** Jun 19, 2018

What is a typical REM and N-REM cycling in humans?

a. First half of sleep: N-REM dominates; second half of sleep: REM dominates.
b. First half of sleep: REM dominates; second half of sleep: N-REM dominates.
c. First half of sleep: only N-REM occurs; second half of sleep: only REM occurs.
d. First half of sleep: only REM occurs; second half of sleep: only N-REM occurs.

Question 2

Dan, startled by the sound of a loud thump in the middle of the night, catches a glimpse of his roommate Yi wandering around their dorm room. The next morning Dan asks about the loud thump and Yi replies, I think I was asleep the entire night . . . but I have been known to sleepwalk from time-to-time. What stage of sleep was Yi likely experiencing while sleepwalking?

a. Stage 1 N-REM
b. Stage 2 N-REM
c. Stage 3 or 4 N-REM
d. REM sleep