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Related to recurrent hypersomnia: hypersomnolence, idiopathic hypersomnia


(ˌhaɪpəˈsɒmnɪə) or


(Medicine) an extreme or excessive level of sleepiness
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hypersomnia - an inability to stay awake
catalepsy - a trancelike state with loss of voluntary motion and failure to react to stimuli
sleep disorder - a disturbance of the normal sleep pattern
narcolepsy - a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep; "he believes that narcolepsy is attributable to an inability to suppress REM sleep during waking"
insomnia - an inability to sleep; chronic sleeplessness
References in periodicals archive ?
This communication describes the successful use of oral methylcobalamin in a 32 year-old-male patient with recurrent hypersomnia of 12 years' duration.
Yamada N: Treatment of recurrent hypersomnia with methylcobalamin (vitamin B12): a case report.

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