Medical Dictionary


noun hy·per·som·nia \-ˈsäm-nē-ə\

Definition of HYPERSOMNIA

:  sleep of excessive depth or duration
:  the condition of sleeping for excessive periods at intervals with intervening periods of normal duration of sleeping and waking—compare narcolepsy
March 29, 2015
discomfit Hear it
To thwart or disconcert
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