English Dictionary |
HYPERSOMNIA
Pronunciation (US): | (GB): |
Dictionary entry overview: What does hypersomnia mean?
• HYPERSOMNIA (noun)
The noun HYPERSOMNIA has 1 sense:
Familiarity information: HYPERSOMNIA used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
An inability to stay awake
Classified under:
Nouns denoting stable states of affairs
Hypernyms ("hypersomnia" is a kind of...):
sleep disorder (a disturbance of the normal sleep pattern)
Hyponyms (each of the following is a kind of "hypersomnia"):
catalepsy (a trancelike state with loss of voluntary motion and failure to react to stimuli)
narcolepsy (a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep)
Antonym:
insomnia (an inability to sleep; chronic sleeplessness)
Context examples
Clinical signs include snoring, insomnia or hypersomnia, difficulty concentrating and fatigue.
(Central Sleep Apnea Syndrome, NCI Thesaurus)
During periods of depressed mood, at least 2 of the following additional symptoms are present: poor appetite or overeating, insomnia or hypersomnia, low energy or fatigue, low self esteem, poor concentration or difficulty making decisions, and feelings of hopelessness.
(Dysthymic Disorder, NLM, Medical Subject Headings)
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