Definition of Hypersomnia

1. Noun. An inability to stay awake.

Specialized synonyms: Catalepsy, Narcolepsy
Generic synonyms: Sleep Disorder
Antonyms: Insomnia

Medical Definition of Hypersomnia

1. Excessive need to sleep. (12 Dec 1998)

Lexicographical Neighbors of Hypersomnia

hypersensitivity
hypersensitivity pneumonitis
hypersensitivity reaction
hypersensitivity reaction
hypersensitivity vasculitis
hypersensitization
hypersensitize
hypersensitized
hypersensitizes
hyperserotonaemia
hypersexual
hypersexuality
hyperskeocytosis
hypersomatotropism
hypersomnia (current term)
hypersomnia (current term)
hypersomnolence
hypersonic
hypersonic
hypersonically
hyperspace
hyperspace
hyperspaces
hypersphyxia
hypersplenism
hypersplenism
Hyperstat
hyperstatic
hypersteatosis
hypersthene

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