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

Synonyms & Similar Words

Relevance

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 None of these fixes is a cure for chronic insomnia or sleep apnea. Allison Palmer, Miami Herald, 13 May 2026 Examples include insomnia, nervousness, and stomach upset. Kirsten Nunez, Martha Stewart, 12 May 2026 Coffee and Insomnia Not getting enough quality sleep and drinking coffee can lead to a cycle of coffee reliance and insomnia. Ashley Olivine, Verywell Health, 11 May 2026 Chloral hydrate, a sedative, is used in the short-term treatment of insomnia and to relieve anxiety and induce sleep before surgery. Liz McNeil, PEOPLE, 8 May 2026 See All Example Sentences for insomnia
Recent Examples of Synonyms for insomnia
Noun
  • People use them to unwind before bed, calm restlessness or improve sleep quality, though the strength of scientific evidence varies and results differ from person to person.
    Samantha Agate, Kansas City Star, 13 May 2026
  • The restlessness reflects the owners’ ambition to win.
    James Horncastle, New York Times, 12 May 2026
Noun
  • 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
  • The company’s key asset is cleminorexton (formerly known as ORX750), which seeks to mimic a molecule in the brain, known as orexin, that helps regulate wakefulness.
    Jeff Marks, CNBC, 31 Mar. 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
  • Bright light in the 2,500-10,000 lux range during the first six hours of a night shift suppresses melatonin and enhances alertness.
    Allison Palmer, Fort Worth Star-Telegram, 16 May 2026
  • Bright light in the 2,500-10,000 lux range during the first six hours of a shift suppresses melatonin and sharpens alertness.
    Allison Palmer, Sacbee.com, 15 May 2026

Browse Nearby Words

Cite this Entry

“Insomnia.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insomnia. Accessed 21 May. 2026.

More from Merriam-Webster on insomnia

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster