deep 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.

We often think of anesthesia as putting us in a deep sleep.

From The Wall Street Journal • Jun. 3, 2026

Following Miller’s first house call, Sugar spent the rest of the day in a deep sleep.

From The Wall Street Journal • May 17, 2026

"Understanding how dreams contribute to the feeling of deep sleep opens new perspectives on sleep health and mental well-being," says Bernardi.

From Science Daily • Mar. 26, 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

Those were the first human words. no sooner had we climbed into our bunks than we fell into a deep sleep.

From "Night" by Elie Wiesel