/ Dictionary / Index N NREM sleep: Meaning and Definition of Find definitions for: NREM sleep Pronunciation: (en'rem"), [key] — adj. SeeCf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. NREM NROTC Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language