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 The lawsuit said that Lindsay was suffering from stress and anxiety that developed into worse symptoms including numbness, insomnia, paranoia, and eventually suicidal ideation. Colleen Cronin, Boston Herald, 22 Jan. 2026 For me, that was the hot flashes, the insomnia, the depression, the rage. Deborah Vankin, Los Angeles Times, 20 Jan. 2026 The product is positioned as a drug-free and noninvasive option for individuals who struggle with insomnia, nighttime awakenings or inconsistent sleep quality. Soundhealth, New York Daily News, 16 Jan. 2026 One of the most powerful ways to overcome sleep anxiety is cognitive behavioral therapy for insomnia (CBT-I). Andee Tagle, NPR, 15 Jan. 2026 See All Example Sentences for insomnia
Recent Examples of Synonyms for insomnia
Noun
  • Even in his stillest moments, Reilly hums with the restlessness of a jazz explorer.
    Brad Shoup, Pitchfork, 24 Jan. 2026
  • And that signal often shows up as restlessness or longing.
    Mark Travers, Forbes.com, 22 Jan. 2026
Noun
  • Green tea contains caffeine, which can promote wakefulness and alertness.
    Angelica Bottaro, Verywell Health, 7 Jan. 2026
  • This midday slump is a natural dip in wakefulness your body experiences in the mid-afternoon.
    Colleen Murphy, Health, 6 Jan. 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
  • Once viewed as mere support cells for neurons, astrocytes are now thought to help tune brain circuits and thereby control overall brain state or mood — say, our level of alertness, anxiousness, or apathy.
    Ingrid Wickelgren, Quanta Magazine, 30 Jan. 2026
  • Caffeine Caffeine can increase energy and alertness and is found in energy drinks and certain dietary supplements, such as those that keep you alert and from falling asleep.
    Karen Berger, Verywell Health, 29 Jan. 2026

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Cite this Entry

“Insomnia.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insomnia. Accessed 5 Feb. 2026.

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