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.

REM sleep involves intense dreaming and brain activity that resembles wakefulness, yet people often report that this stage still feels like deep sleep.

From Science Daily • Mar. 26, 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

“People are saying ‘I know I only got 30 minutes of deep sleep and an hour of REM.

From The Wall Street Journal • Dec. 29, 2025

Najwa is pregnant and fell into a deep sleep.

From BBC • Jun. 11, 2025

When he opened his eyes once again, it was as if he were waking from a deep sleep.

From "Touching Spirit Bear" by Ben Mikaelsen