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

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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 Native Americans used it to treat multiple symptoms such as coughing fits, insomnia and urinary problems. Bestreviews, Mercury News, 10 Feb. 2026 Creemees, swimming holes, Frederick Wiseman documentaries, Waxahatchee, long runs, insomnia. Literary Hub, 10 Feb. 2026 Stopping can lead to irritability, insomnia, anxiety and mood changes, according to Gamberg. Melissa Rudy, FOXNews.com, 30 Jan. 2026 Taking the supplement every night is generally considered safe and is unlikely to cause dependency or rebound insomnia, said John Rinker, MD, an internal medicine physician at OSF HealthCare. Allison Forsyth, Health, 28 Jan. 2026 See All Example Sentences for insomnia
Recent Examples of Synonyms for insomnia
Noun
  • You’re now being asked to step up to the plate and own your perspective, philosophies, world view, path to personal growth—all while restlessness and the desire to learn and evolve skyrockets.
    Maressa Brown, InStyle, 20 Feb. 2026
  • Paying close attention to how each pillow affected their sleep, and any improvements in neck pain, restlessness, and temperature regulation, to determine which pillows made the grade as the most luxurious options out there, both in sleep feel and in material makeup.
    Kate McGregor, Architectural Digest, 19 Feb. 2026
Noun
  • Curating your home's color palette can promote wakefulness in some areas and relaxation in others.
    Kamron Sanders, The Spruce, 22 Feb. 2026
  • In 2009, after studying a mother and a daughter who were both short sleepers, Fu published a paper about a variation in a gene called DEC2, which influences the production of orexin, a hormone associated with wakefulness.
    Shayla Love, New Yorker, 18 Feb. 2026
Noun
  • As exhaustion mounts, the boundary between waking life and possession collapses, forcing the women to confront both a supernatural threat and a system that thrives on sleeplessness.
    Naman Ramachandran, Variety, 15 Jan. 2026
  • Something that becomes more noticeable as time marches on is how easily our faces show any sign of stress, sleeplessness, a bit too much salt, or that glass of wine.
    Kaitlyn Yarborough, Southern Living, 3 Jan. 2026
Noun
  • Enzymes convert cholesterol into cortisol, which is discharged from the outer layer of the adrenal glands, to sharpen alertness.
    Sally Jenkins, The Atlantic, 21 Feb. 2026
  • Boost Energy and Alertness Taking a walk in the morning has been associated with lower daytime sleepiness and improved alertness during the day.
    Heather Jones, Verywell Health, 20 Feb. 2026

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Cite this Entry

“Insomnia.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insomnia. Accessed 26 Feb. 2026.

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