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.
The anesthetized patients’ brains produced activity that shared similarities to being unconscious in a coma—as well as deep sleep, REM sleep and patterns unique to anesthesia.
From The Wall Street Journal • Jun. 3, 2026
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
During a typical night, the brain cycles repeatedly through deep sleep and REM sleep.
From Science Daily • Feb. 4, 2026
When the school holidays came she spent days in her bed in a deep sleep.
From BBC • Feb. 3, 2026
She fell into a deep sleep and when she awoke, they were gone.
From "A Girl Named Disaster" by Nancy Farmer
