Question

How many of the five stages of sleep are considered NREM sleep? three two four one

Answer 1

Answer: During sleep, the body moves through five different stages of both REM (rapid eye movement) and NREM (non-rapid eye movement) sleep. Over the course of the night, the body will go through this five-stage cycle four to six times, spending an average of 90 minutes in each stage.

Answer 2

Deep sleep
Sleep walking