sleepiness

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.

Adenosine accumulates during periods of wakefulness and helps reduce brain activity, contributing to feelings of sleepiness.

From Science Daily • May 30, 2026

But the check-up at Walter Reed Mliitary Hospital comes amid speculation about Trump's well-being due to bruising on his hand and his apparent sleepiness in meetings.

From Barron's • May 26, 2026

It’s acquiring Centessa Pharmaceuticals, which is working on orexin receptor 2 agonists for conditions like narcolepsy and idiopathic hypersomnia — forms of daytime sleepiness.

From MarketWatch • Mar. 31, 2026

January is an odd month in the art world, as it rouses itself from its holiday slumber but struggles to shake off the sleepiness of the past month.

From The Wall Street Journal • Jan. 9, 2026

Staggering slightly from sleepiness, the young soldier came to the door, looked out, and saw that it had become dark.

From "The Fighting Ground" by Avi