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
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Antonyms & Near Antonyms
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Recent Examples of sleepiness
The clinical version of that disruption is Shift Work Sleep Disorder, or SWSD, defined as persistent insomnia or excessive sleepiness tied to a work schedule and lasting more than three months.
—
Allison Palmer, Sacbee.com, 15 May 2026
Shift Work Sleep Disorder, or SWSD, is the clinical name for the persistent insomnia or excessive sleepiness that lasts more than three months and is tied directly to a person’s work schedule.
—Allison Palmer, Fort Worth Star-Telegram, 15 May 2026
However, sleepiness returns when the caffeine wears off.
—Ashley Olivine, Verywell Health, 11 May 2026
Researchers also observed improvements in sleep maintenance and reductions in daytime fatigue, anxiety, depression symptoms and daytime sleepiness.
—Samantha Agate, Kansas City Star, 7 May 2026
Researchers measured insomnia severity using the Insomnia Severity Index, along with sleep maintenance, daytime sleepiness, fatigue, anxiety and depression symptoms.
—Samantha Agate, Charlotte Observer, 7 May 2026
Mention any daytime symptoms, such as excessive sleepiness or headaches, and any nighttime symptoms, such as frequent urination, waking up short of breath, snoring or insomnia.
—Erika Yamazaki, The Conversation, 6 May 2026
Some over‑the‑counter products that can pose risks include certain antihistamines, commonly found in allergy and cold remedies, nighttime sleep aids, motion sickness medications, and cough syrups, which can induce sleepiness or slow down cognitive function.
—Amanda Greenwood, MSNBC Newsweek, 1 Apr. 2026
Lilly said in a press release the acquisition would help advance work Centessa is doing on treating excessive daytime sleepiness and other neurological conditions.
—Fred Imbert, CNBC, 31 Mar. 2026
Allison Palmer, Sacbee.com, 15 May 2026
Shift Work Sleep Disorder, or SWSD, is the clinical name for the persistent insomnia or excessive sleepiness that lasts more than three months and is tied directly to a person’s work schedule.
—Allison Palmer, Fort Worth Star-Telegram, 15 May 2026
However, sleepiness returns when the caffeine wears off.
—Ashley Olivine, Verywell Health, 11 May 2026
Researchers also observed improvements in sleep maintenance and reductions in daytime fatigue, anxiety, depression symptoms and daytime sleepiness.
—Samantha Agate, Kansas City Star, 7 May 2026
Researchers measured insomnia severity using the Insomnia Severity Index, along with sleep maintenance, daytime sleepiness, fatigue, anxiety and depression symptoms.
—Samantha Agate, Charlotte Observer, 7 May 2026
Mention any daytime symptoms, such as excessive sleepiness or headaches, and any nighttime symptoms, such as frequent urination, waking up short of breath, snoring or insomnia.
—Erika Yamazaki, The Conversation, 6 May 2026
Some over‑the‑counter products that can pose risks include certain antihistamines, commonly found in allergy and cold remedies, nighttime sleep aids, motion sickness medications, and cough syrups, which can induce sleepiness or slow down cognitive function.
—Amanda Greenwood, MSNBC Newsweek, 1 Apr. 2026
Lilly said in a press release the acquisition would help advance work Centessa is doing on treating excessive daytime sleepiness and other neurological conditions.
—Fred Imbert, CNBC, 31 Mar. 2026
Recent Examples of Synonyms for sleepiness
Noun
-
Using several sedating products together can cause more drowsiness, dizziness, or tiredness the next day.—
Mira Miller,
Verywell Health,
29 Apr. 2026
-
The practical effect is a calmer, less reactive brain at bedtime, without any drowsiness.—
Allison Palmer,
Fort Worth Star-Telegram,
23 Apr. 2026
Noun
-
The lightweight, secure fit helps avoid ear fatigue associated with traditional earbuds, while Bluetooth connectivity makes pairing simple.—
ABC News,
ABC News,
16 May 2026
-
Viewer fatigue is less of a factor when stakes are raised down the stretch, though.—
Steven Louis Goldstein,
New York Times,
16 May 2026
Noun
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One photo in the carousel showed a series of polaroids of the newborn sleeping, her proud dad holding up a celebratory bottle of champagne by her bassinet, and Duhamel and Mari posing together.—
Hannah Sacks,
PEOPLE,
17 May 2026
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Coaching often means less-than-ideal sleeping patterns.—
Jason Jones,
New York Times,
15 May 2026
Noun
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From there, the story builds on the uncertainty, rocking the somnolence of a small town in the province of Badajoz, and forcing a community to choose between disbelief and the need to prove what can’t be seen.—
Emiliano De Pablos,
Variety,
9 Feb. 2026
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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
Cite this Entry
“Sleepiness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleepiness. Accessed 19 May. 2026.
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