hy•per•som•ni•a
We found 3 definitions of hypersomnia from 3 different sources.
NounPlural: hypersomnias |
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hypersomnia - an inability to stay awake | ||
insomnia an inability to sleep; chronic sleeplessness | ||
sleep disorder a disturbance of the normal sleep pattern | ||
catalepsy a trancelike state with loss of voluntary motion and failure to react to stimuli |