sleeplessness

as in insomnia
the inability to obtain adequate sleep the prolonged bouts of sleeplessness were starting to affect his work

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 sleeplessness My tolerance to alcohol was shrinking while my anxiety and sleeplessness were growing. Donna Francis, Allure, 25 Aug. 2025 Teething begets teeth, sleeplessness begets sleep. Ellyn Gaydos august 11, Literary Hub, 11 Aug. 2025
Recent Examples of Synonyms for sleeplessness
Noun
  • The primary mode of treatment is cognitive behavioral therapy for insomnia, or CBTI.
    Madeline Holcombe, CNN Money, 11 Sep. 2025
  • Treating insomnia symptoms could very well soften the negative effects of sleep deprivation on the brain.
    Erica Sloan, SELF, 10 Sep. 2025
Noun
  • Anxiety, however, usually triggers stress responses, which can manifest in a tight chest, sweaty palms, a racing heart or restlessness.
    Mark Travers, Forbes.com, 11 Sep. 2025
  • There’s a kind of restlessness.
    Angelica Jade Bastién, Vulture, 11 Sep. 2025

Browse Nearby Words

Cite this Entry

“Sleeplessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleeplessness. Accessed 18 Sep. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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