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.
Slow waves are a major feature of deep sleep -- the stage associated with physical recovery, replenishing energy reserves, and maintaining healthy brain function.
From Science Daily ● Sep. 22, 2026
Exercise may also increase the quality of deep sleep and enhance slow wave activity associated with brain waste clearance.
From Science Daily ● Aug. 11, 2026
One example is delta waves, the slow and rolling electrical patterns commonly associated with deep sleep.
From Science Daily ● Jul. 31, 2026
While my polysomnogram showed just 28 minutes of deep sleep, each device said I got over an hour.
From The Wall Street Journal ● Jun. 7, 2026
“They must get ready . . .” The shadows around me roused themselves as if from a deep sleep and left silently in every direction.
From "Night" by Elie Wiesel
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