somnolence

noun

ˈsäm-nə-lən(t)s How to pronounce somnolence (audio)
Definition of somnolencenext
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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Antonyms & Near Antonyms

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
  1. sleepiness
  2. drowsiness
  3. fatigue
  4. sleeping
Noun
  • The benefits of an early nap can wear off too early in the day, leading to afternoon sleepiness.
    — Heidi Moawad, Verywell Health, 21 July 2026
  • Melatonin the hormone released at night that triggers sleepiness also declines with age, and perimenopause brings a significant drop that makes sound sleep harder to come by.
    — Hanna Wickes, Fort Worth Star-Telegram, 17 July 2026
Definition of sleepiness
Noun
  • 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
  • It is also known to cause side effects, including drowsiness, sedation and dizziness.
    — Mary Walrath-Holdridge, USA Today, 12 June 2026
Definition of drowsiness
Noun
  • If testosterone levels are too low, at any age, this can lead to muscle and bone weakness, fatigue, and decline in libido.
    — Nina Shapiro, Forbes.com, 18 July 2026
  • Warning signs worth flagging to a doctor include loud snoring, gasping for air during sleep, severe daytime fatigue, persistent low mood, rapid heart rate and unexplained weight changes.
    — Hanna Wickes, Fort Worth Star-Telegram, 17 July 2026
Definition of fatigue
Noun
  • Sleep systems Choosing the right sleeping foundation is essential.
    — Clay Abney, Travel + Leisure, 16 July 2026
  • The seat-block option comes four months after United unveiled a new Relax Row option, a row of three economy seats with individually adjustable leg rests that fold up at a 90-degree angle to create a lie-flat sleeping area.
    — Mason Leib, ABC News, 14 July 2026
Definition of sleeping

Browse Nearby Words

somniferous
somnolence
somnolent
See all Nearby Words

Cite this Entry

“Somnolence.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/somnolence. Accessed 23 Jul. 2026.

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More from Merriam-Webster on somnolence

Nglish: Translation of somnolence for Spanish Speakers

Britannica.com: Encyclopedia article about somnolence

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