Definition of insomnianext
as in restlessness
the inability to obtain adequate sleep has suffered from insomnia virtually his entire life

Synonyms & Similar Words

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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 insomnia Greg had crashed cars but had not had insomnia. Weike Wang, New Yorker, 17 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, 16 May 2026 Allergy drugs can ease those symptoms and make people drowsy, potentially offering relief from insomnia. Kara Smythe, EverydayHealth.com, 15 May 2026 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 See All Example Sentences for insomnia
Recent Examples of Synonyms for insomnia
Noun
  • The restlessness didn’t arrive as a thunderclap.
    Jasmine Browley, Forbes.com, 1 June 2026
  • Undoubtedly that restlessness helped fuel his work over the decades.
    Tom Tapp, Deadline, 25 May 2026
Noun
  • That’s followed by periods of contemplation, energized wakefulness, and, purportedly, a vanishing of withdrawal symptoms.
    Shayla Love, The Atlantic, 24 May 2026
  • Everybody wants to sound like her, but no one else can quite replicate the particular sonic grammar of her writing, which unfurls like an intimate dispatch from the blurry edge of sleep and wakefulness.
    New York Times, New York Times, 28 Apr. 2026
Noun
  • This sleeplessness has reportedly persisted in jail.
    Diego Lasarte, New Yorker, 21 Apr. 2026
  • His claims cited sleeplessness, soreness, anxiety and stress.
    ABC News, ABC News, 21 Apr. 2026
Noun
  • This increases alertness, boosts available energy and temporarily downshifts nonessential functions like digestion.
    Daryl Austin, USA Today, 30 May 2026
  • Ten minutes outside around lunchtime makes a measurable difference in afternoon alertness.
    Allison Palmer, Kansas City Star, 19 May 2026

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Cite this Entry

“Insomnia.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insomnia. Accessed 2 Jun. 2026.

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