hypersomnia

American  

[hahy-per-som-nee-uh] / ˌhaɪ pərˈsɒm ni ə /

noun

Pathology.

1. a tendency to sleep excessively.

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Other Word Forms

• hypersomniac noun

Etymology

Origin of hypersomnia

First recorded in 1875–80; hyper- + (in)somnia

Example Sentences

People who are very sleepy during the day, despite a good night's rest, may have a sleep disorder called idiopathic hypersomnia.

From Science Daily

The new approval will make it much easier for hypersomnia patients to get insurance coverage for Xywav.

From Seattle Times

Frequently, patients develop difficulties sleeping - severe insomnia or hypersomnia - and memory problems.

From BBC

The woman's mother said her daughter was experiencing post-traumatic stress disorder, hallucinations, and was sleeping for 18 or 20 hours a day because of a condition called hypersomnia.

From BBC

There were just three in the past year for other conditions, one each for hypersomnia, hypogonadism and kidney disease,

From Washington Times