Finding
drowsiness Audio
drow·si·ness [ drou-zee-ness ]
Definitions related to drowsiness:
  • Abnormal feeling of sleepiness or difficulty staying awake.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • State of impaired awareness associated with a desire or inclination to sleep.
    Sadock's Comprehensive Glossary of Psychiatry and Psychology
    BJ Sadock Titles Press, 2012
  • (sleepiness) The sensation of struggling to remain awake.
    NCI
    U.S. National Cancer Institute, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.