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

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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 insomnia Nietzsche, while working on Zarathustra, suffered from insomnia, indigestion, and migraines. Literary Hub, 24 Feb. 2026 The discovery that orexin is linked to narcolepsy has sparked new pharmaceutical research, and last year an experimental orexin-blocking medication showed promise for insomnia in a clinical trial. Shayla Love, New Yorker, 18 Feb. 2026 There’s also been studies, many of which are smaller and more preliminary, showing the benefits of floating for conditions such as insomnia, body image dissatisfaction among people with anorexia, meth dependence and pain intensity, such as the stress placed on the body after a high-impact workout. Shelby Hartman, Los Angeles Times, 18 Feb. 2026 Anxiety The stress, insomnia, and hormonal imbalance brought by perimenopause can contribute to perimenopausal anxiety. Jocelyn Solis-Moreira, Flow Space, 13 Feb. 2026 See All Example Sentences for insomnia
Recent Examples of Synonyms for insomnia
Noun
  • Cancer Pisces season always leads to an uptick in restlessness for you, because there’s so much happening in your ninth house of adventure.
    Maressa Brown, InStyle, 25 Feb. 2026
  • For example, what looks like physical hyperactivity in childhood may manifest as internal restlessness later in life.
    Yasmin Tayag, The Atlantic, 25 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 7 Mar. 2026.

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