Question

question 16
how many of the stages of sleep are considered nrem sleep?
a one
b two
c three
d four
1 point
5 of 20 questions remaining

Explanation:

Sleep has two main types - REM (Rapid - Eye - Movement) and NREM (Non - Rapid - Eye - Movement). NREM sleep has three stages: N1, N2, and N3.

Answer:

C. three