non-rapid-eye-movement sleep: times of sleep wherein dreaming, as implied by rapid eye movements (REM), generally doesn't arise. During these times, that arise most often in the initial hours of sleep, the electroencephalogram displays only little activity, and there is minimal or no alterations in respiration, blood pressure, or pulse. Commonly referred to as non-REM sleep.

NREM SLEEP: "Sleep labs often observe the brain patterns of people engaged in NREM sleep."
Cite this page: N., Pam M.S., "NREM SLEEP," in, April 7, 2013, (accessed September 27, 2021).