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.
American restaurant Third Street Social opened Thursday, bringing a steady crowd to downtown Olathe, which has been long known as a sleepy area. Kansas City Star, 4 May 2026 In those sleepy unstaffed stations, passengers routinely board and the train starts moving again before the conductor ever makes contact or scans their tickets. CBS News, 1 May 2026 Even that session left me enervated and sleepy. Betsy Andrews, Travel + Leisure, 28 Apr. 2026 The once-sleepy CPU market has taken off as agentic workloads shift compute needs beyond Nvidia's graphics processing units (GPUs) that have ruled AI thus far. Katie Tarasov, CNBC, 23 Apr. 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 5 May. 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

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