REM sleep

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

During a typical night, the brain cycles repeatedly through deep sleep and REM sleep.

From Science Daily • Feb. 4, 2026

Both deep sleep and REM sleep were significantly shorter, and participants spent an additional 15 minutes awake during the night.

From Science Daily • Feb. 4, 2026

Let me get real deep real quick before I go into this REM sleep.

From Los Angeles Times • May 9, 2025

This is significant, as REM sleep – sometimes called "dreaming sleep" — is thought to be important for memory and regulating emotions.

From Salon • Jan. 20, 2025

My mother is the only individual I know who can fall asleep instantly for two minutes—deep REM sleep, complete with snoring—only to be awakened instantly by certain select noises.

From "The Color of Water: A Black Man's Tribute to His White Mother" by James McBride