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
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in hypnotic
tending to cause sleep
the sleepy drone of his voice made staying awake a challenge
Synonyms & Similar Words
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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of sleepiness
Bruce Martin, Forbes.com, 12 May 2025
As oxygen and nutrient intake diminish, energy levels quickly follow and infected children often become sleepy or unresponsive.
—Daryl Austin, USA Today, 8 May 2025
Watch for sleepy cues: Look for signs of sleepiness, such as eye rubbing, yawning, fussiness, or staring into space.
—Jonathan B. Jassey, Verywell Health, 5 May 2025
Carbon monoxide can also cause the victim to become sleepy, lose consciousness, or lose muscle function as the dangerous gas stops oxygen flow to the brain, heart, and other important cells and organs.
—Amelia McBride, Travel + Leisure, 12 Apr. 2025
See All Example Sentences for sleepiness
Adjective
Before the Pacers began as a franchise in 1967, Indianapolis was a sleepy, rundown town that woke up for three events a year.
—Bruce Martin, Forbes.com, 12 May 2025
As oxygen and nutrient intake diminish, energy levels quickly follow and infected children often become sleepy or unresponsive.
—Daryl Austin, USA Today, 8 May 2025
Watch for sleepy cues: Look for signs of sleepiness, such as eye rubbing, yawning, fussiness, or staring into space.
—Jonathan B. Jassey, Verywell Health, 5 May 2025
Carbon monoxide can also cause the victim to become sleepy, lose consciousness, or lose muscle function as the dangerous gas stops oxygen flow to the brain, heart, and other important cells and organs.
—Amelia McBride, Travel + Leisure, 12 Apr. 2025
See All Example Sentences for sleepiness
Recent Examples of Synonyms for sleepiness
Adjective
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There’s an effort from the developer, Far Out Games, to tell a captivating noirish story here but the cutscenes and dialogue are painfully dull.—
Joshua Lamb,
Forbes.com,
20 May 2025
-
The bristles of the brush manually sweep away dull, rough, flaky skin cells.—
Angela Palmer,
Verywell Health,
20 May 2025
Adjective
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Shot in the Colombian desert, this new film is nothing short of hypnotic.—
Marta Balaga,
Variety,
14 May 2025
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In the room with us in Valencia, the dolls eyes’ are hypnotic, carrying a trace of malevolence.—
Joshua Rothkopf,
Los Angeles Times,
14 May 2025
Adjective
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Life has likely felt a bit nebulous and slow for you in the past year, Cancer.—
Kyle Thomas,
People.com,
18 May 2025
-
Albon asked Williams for information on where Leclerc was likely slow at the restart, looking for a spot to capitalize.—
Luke Smith,
New York Times,
18 May 2025
Noun
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Mind fatigue can lead to shortcuts such as not thoroughly proofing an important email or opting out of decision-making with your team.—
Bryan Robinson,
Forbes.com,
17 May 2025
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And the economy-powering consumers are already showing some signs of fatigue: Sales at US retailers slowed sharply in April to 0.1% after a surge of 1.7% in March, when shoppers rushed to beat the slew of new tariffs.—
Alicia Wallace,
CNN Money,
15 May 2025
Adjective
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Telogen Stage The telogen stage of the hair cycle is a resting phase, during which the hair doesn't grow, and the follicle is dormant.1 About 10% to 15% of the hairs on your body are in this resting phase at any one time, which typically lasts for a few months.—
Nancy LeBrun,
Verywell Health,
13 Jan. 2025
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Green Bay could finish as high as sixth in the NFC if the resting Rams lose to the 49ers, potentially setting up a first-round matchup against the division-rival Lions.—
Peter Sblendorio,
New York Daily News,
6 Jan. 2024
Adjective
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RuPaul wants a Drag Superstar, not an ordinary girl who gets lazy and gets bored.—
Jason P. Frank,
Vulture,
23 May 2025
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Jack Sparks, aquatics director for the city, said Black Bob Bay’s water park typically draws the biggest crowds with its lazy river, rock wall and high dive.—
Beth Lipoff,
Kansas City Star,
23 May 2025
Adjective
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Studies have shown that teens who experience a lack of sleep could suffer negative consequences, including an inability to concentrate, poor grades, drowsy driving incidents, anxiety, depression, and many more.—
Sixteen Ramos,
USA Today,
10 May 2025
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How to Beat the Afternoon Slump: This drowsy feeling is temporary but frustrating.—
Carl Zimmer,
New York Times,
17 Feb. 2025
Noun
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The people went to the emergency department with tachycardia, confusion, anxiety or somnolence, and nausea after eating gummy candies labeled as containing Amanita muscaria mushrooms.—
Beth Mole,
Ars Technica,
19 July 2024
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Organized labor shows corporate managements who’s the boss: This year continued the strengthening of union power after decades of somnolence.—
Michael Hiltzik,
Los Angeles Times,
21 Dec. 2023
Cite this Entry
“Sleepiness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleepiness. Accessed 27 May. 2025.
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