Author Question: In which of the five stages of sleep does one typically spend the most time each night? A) stage ... (Read 47 times)

sarasara · **on:** Jul 12, 2018

In which of the five stages of sleep does one typically spend the most time each night?

A) stage one
B) stage two
C) stage four
D) stage five

Question 2

Sleep experts agree that the optimal range of sleep per night is

A) seven to nine hours.
B) five to seven hours.
C) six to ten hours
D) no less than five hours; there is not an upper limit.