SOMNOLENCE Synonyms: 21 Similar and Opposite Words

somnolence

noun

ˈsäm-nə-lən(t)s

Definition of somnolence

as in sleepiness

the quality or state of desiring or needing sleep somnolence is likely to be the most typical and telling reaction to this novel

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Example Sentences

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.

Recent Examples of somnolence Russia took advantage of decades of somnolence in Europe to try to exploit its neighbors’ reliance on Russian gas after the invasion of Ukraine. — Henry Farrell, Foreign Affairs, 19 Oct. 2023 The company warns of the potential for diarrhea, nausea, headaches, dizziness, and somnolence (excessive or sudden sedation). — Beth Ann Mayer, Parents, 13 Aug. 2023 If successful, Murray wants the Senate to awake from its somnolence the past few months and years, having a free-flowing debate with lots of amendments considered. — Paul Kane, Anchorage Daily News, 27 July 2023 More little dramas are unfolding across South Korean boardrooms as activist investors become more assertive after a long period of somnolence. — Jacky Wong, WSJ, 28 Mar. 2023 See All Example Sentences for somnolence

Recent Examples of Synonyms for somnolence

Noun

Adherence is often low, and untreated sleep apnea can worsen hypertension, atrial fibrillation and the daytime sleepiness.

— Jesse M. Pines, Forbes.com, 10 Aug. 2026
Chamomile contains apigenin, an antioxidant that has been shown to promote sleepiness and sleep quality.

— Mura Dominko, Martha Stewart, 9 Aug. 2026

Definition of sleepiness

Noun

These older medications were also likely to increase cognitive impairment, such as drowsiness, confusion, slowed thinking, or diminished school or work performance, according to the study authors.

— Rob Williams, EverydayHealth.com, 30 July 2026
Some symptoms of diphenhydramine poisoning include drowsiness, agitation, fast heart rate, nausea, vomiting, hallucinations, seizures, dangerous heart rhythm and loss of consciousness.

— Angelica Stabile, FOXNews.com, 19 June 2026

Definition of drowsiness

Noun

Freighted with history, Fraser’s sleeping figures hold in suspension all that de Monteflores’s motherhood deferred.

— Carmen Rosenberg-Miller, Artforum, 6 Aug. 2026
Because a versatile, full-size 1,000-mile (1,600-km) electrified SUV that just happens to integrate full sleeping and dining accommodations sure sounds like an impressive evolution of the camper to us.

— New Atlas, New Atlas, 6 Aug. 2026

Definition of sleeping

Browse Nearby Words

somniferous

somnolence

somnolent

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“Somnolence.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/somnolence. Accessed 13 Aug. 2026.

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Synonyms of somnolence

noun

Example Sentences

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