hyposomnia

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noun

Inadequate sleep.

Opposite
hypersomnia
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Meanings

nounhyposomnia (uncountable)
  1. uncountableInadequate sleep.

    The contribution of the disordered and insufficient sleep can be avoided in the study of those mildly or moderately depressed conditions that are not obligatorily associated with disruption of nighttime sleep and hyposomnia.

    2015 July 30, Arcady A. Putilov, “Physiological Sleep Propensity Might Be Unaffected by Significant Variations in Self-Reported Well-Being, Activity, and Mood”, in Sleep Disorders, volume 2015, →DOI

    Antonyms: hypersomnia

Synonyms & antonyms

nounInadequate sleep.

Opposite
hypersomnia
Cite this entry
APA

hyposomnia. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/hyposomnia

MLA

“hyposomnia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hyposomnia. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “hyposomnia,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/hyposomnia.

Source: hyposomnia on Wiktionary, CC BY-SA 4.0.