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.

For decades, deep sleep was viewed as a state where the brain is essentially "switched off," with slow brain waves, minimal activity, and little awareness.

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

She’s not always able to pull off deep sleep, but as she puts it: “I have 13 years of practice.”

From The Wall Street Journal • Feb. 3, 2026

"Your results suggest you are not getting as much sleep as you should be. That is demonstrated by how quickly you went into a deep sleep," he says.

From BBC • Apr. 16, 2025

I thank Papa Legba, and Ezili-Danto, and God, and all my other spirit guides who have yet to reveal themselves to me, and I fall into a deep sleep.

From "American Street" by Ibi Zoboi