sleepier; sleepiest
Synonyms of sleepynext
1
a
: ready to fall asleep
b
: of, relating to, or characteristic of sleep
2
: sluggish as if from sleep : lethargic
also : having little activity
a sleepy coastal village
3
: sleep-inducing
sleepily adverb
sleepiness noun

Examples of sleepy in a Sentence

She felt sleepy and went to bed. the sleepy children were carried up to bed
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But in recent years, the once-sleepy Australian lookout has found itself at the center of a global social media storm. Trista Kurniawan, CNN Money, 11 Feb. 2026 The accoutrements have been carefully hand-hewn and gilded, boasting an attractive luster and the faces of a sun puckering her lips plus two sleepy moons on the earrings. Stacia Datskovska, Footwear News, 11 Feb. 2026 On the contrary, drinking kava makes the user feel relaxed and even sleepy. Bestreviews, Mercury News, 11 Feb. 2026 After the performance, everyone returned to trudge through the latter half of the sleepy game. Torrey Snow, Baltimore Sun, 11 Feb. 2026 See All Example Sentences for sleepy

Word History

First Known Use

13th century, in the meaning defined at sense 1a

Time Traveler
The first known use of sleepy was in the 13th century

Browse Nearby Words

Cite this Entry

“Sleepy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sleepy. Accessed 15 Feb. 2026.

Kids Definition

sleepy

adjective
sleepier; sleepiest
1
: ready to fall asleep
2
: quietly inactive
a sleepy village
sleepily adverb
sleepiness noun

Medical Definition

sleepy

adjective
sleepier; sleepiest
: ready to fall asleep
sleepiness noun

More from Merriam-Webster on sleepy

Last Updated: - Updated example sentences
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