Author Question: Normally, the number of cycles of sleep stages that occur per night is ____ cycles. a. 4 to 6 c. ... (Read 109 times)

APUS57 · **on:** Jul 16, 2018

Normally, the number of cycles of sleep stages that occur per night is ____ cycles.

a. 4 to 6 c. 8 to 10
b. 6 to 8 d. 10 to 12

Question 2

During a typical night of sleep, a normal adult sleeper cycles between non-REM sleep and REM sleep at approximately every ____ minutes.

a. 30 to 60 c. 90 to 120
b. 60 to 90 d. 120 to 150

kiamars2010 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: A
Normally, 4 to 6 cycles of sleep stages occur per night.

Answer to Question 2

ANS: C
During a typical night of sleep, a normal adult sleeper cycles between non-REM sleep and REM sleep approximately every 90 to 120 minutes.