as in drowsiness
the quality or state of desiring or needing sleep
the truck driver keeps a thermos of coffee with him to stave off sleepiness
Synonyms & Similar Words
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Antonyms & Near Antonyms
1
as in sleeping
desiring or needing sleep
the sleepy children were carried up to bed
Synonyms & Similar Words
Antonyms & Near Antonyms
2
as in dull
slow to move or act
a sleepy little town on the coast
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3
as in hypnotic
tending to cause sleep
the sleepy drone of his voice made staying awake a challenge
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Antonyms & Near Antonyms
4
as in slow
lacking in gaiety, movement, or animation
a sleepy party that was mostly attended by the same boring people I work with
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Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of sleepiness
Heather Jones, Verywell Health, 20 Feb. 2026
At higher doses, kratom reduces anxiety and causes sleepiness, the way strong pain drugs like opioids (heroin or fentanyl) do.
—Gary Kirkilas Ii, Boston Herald, 1 Feb. 2026
Katie Walsh, Boston Herald, 26 Mar. 2026
These sleepy puppies are right there with you—expert-level napping, zero meetings required.
—Ronnie Li, USA Today, 23 Mar. 2026
See All Example Sentences for sleepiness
Noun
Boost Energy and Alertness Taking a walk in the morning has been associated with lower daytime sleepiness and improved alertness during the day.
—Heather Jones, Verywell Health, 20 Feb. 2026
At higher doses, kratom reduces anxiety and causes sleepiness, the way strong pain drugs like opioids (heroin or fentanyl) do.
—Gary Kirkilas Ii, Boston Herald, 1 Feb. 2026
Adjective
The film is weirdly slow and sleepy, and at least 20 minutes too long.
—Katie Walsh, Boston Herald, 26 Mar. 2026
These sleepy puppies are right there with you—expert-level napping, zero meetings required.
—Ronnie Li, USA Today, 23 Mar. 2026
See All Example Sentences for sleepiness
Recent Examples of Synonyms for sleepiness
Noun
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The drugs may also be used to treat other neurological conditions that are accompanied by drowsiness, such as Alzheimer’s disease and depression, and possibly even more broadly.—
Angelica Peebles,
CNBC,
31 Mar. 2026
-
Avoid driving on medications that cause drowsiness.—
Camila Pedrosa,
Sacbee.com,
30 Mar. 2026
Adjective
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An autopsy showed that the infant died from asphyxiation secondary to a co-sleeping/overlay event with an unsafe sleeping environment.—
Laura Bauer,
Kansas City Star,
26 Feb. 2026
Adjective
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Hochheiser, who could not return to his condo due to a mold infestation, said one dull day melted into another at Villa Rosa III.—
Carol Marbin Miller,
Miami Herald,
2 Apr. 2026
-
Found Sound is a story about two kids, Felix and Marigold, and a seemingly dull summer vacation that’s upended when the kids find an old wooden box that says OPEN ME.—
Caroline Carlson,
Literary Hub,
1 Apr. 2026
Adjective
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Later in the book, after Thomas has died, the narrator visits Max at his home in California, where another hypnotic two-hander unfolds.—
Giles Harvey,
New Yorker,
30 Mar. 2026
-
Watching hummingbirds is very Zen-like, almost hypnotic.—
Ernie Cowan,
San Diego Union-Tribune,
29 Mar. 2026
Adjective
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In fact, businesses hired workers at their slowest pace since 2011, excluding the onset of the pandemic in 2020.—
Morgan Chittum,
CNBC,
3 Apr. 2026
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The area’s large tourist population contributes a constant volume of unfamiliar drivers to already heavily congested roads, with traffic patterns that shift significantly between peak tourist season and the summer months but never truly slow to manageable levels on the area’s major corridors.—
Anton Lucanus
April 3,
Miami Herald,
3 Apr. 2026
Noun
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The Form Insoles combine mechanical arch support with a neuro-stimulating texture, which is proven to reduce foot fatigue and arch pain by increasing overall foot awareness and foot posture.—
Tory Johnson,
ABC News,
28 Mar. 2026
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Of course, the real flex is chartering your own flight—avoiding check-in-desk fatigue, security lines, and concern about overweight luggage altogether.—
Justin Fenner,
Robb Report,
28 Mar. 2026
Adjective
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That’s because when the body experiences physical stress, including losing weight quickly, more hairs can shift into a resting phase and fall out a few months later — typically two to three months after the event, Rossi explains.—
Tom Gavin,
EverydayHealth.com,
17 Feb. 2026
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This is a condition where, due to stress or hormonal changes, the body puts the hair follicles into a resting phase.—
Essence,
Essence,
19 Dec. 2025
Adjective
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Just don’t get lazy about it… Need a news break?—
USA TODAY,
USA Today,
2 Apr. 2026
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Jones had complained that Wallace was lazy at work before Wallace was fired.—
Peter D'Abrosca,
FOXNews.com,
2 Apr. 2026
Cite this Entry
“Sleepiness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleepiness. Accessed 4 Apr. 2026.
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