1. Health
Send to a Friend via Email

Discuss in my forum

Definition of NREM Sleep

By

Updated February 19, 2014

Definition: This is one of the two basic states of sleep and is notable for an absence of rapid eye movement (REM). It consists of three stages (N1, N2, and N3) of distinctly recognizable electrical brain wave patterns. It makes up the largest portion of the sleep cycle.
Also Known As: Non-rapid eye movement sleep
Examples:
NREM sleep is the most common type of sleep during the night.
Related Video
Sleep Well During Pregnancy
How Much Sleep is Enough for Children?

©2014 About.com. All rights reserved.

We comply with the HONcode standard
for trustworthy health
information: verify here.