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What is idiopathic hypersomnia?

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Answer #1

(From MAYO Clinic)

Idiopathic hypersomnia causes disabling daytime sleepiness.

(Idiopathic means of unknown cause, and hypersomnia means excessive sleep.)

The condition takes two forms: idiopathic hypersomnia with long sleep time and idiopathic hypersomnia without long sleep time.

Patients with a long sleep time sleep more than 10 hours each night, yet still experience sleepiness during the day.

Patients without a long sleep time sleep for a shorter period (less than 10 hours).

Idiopathic hypersomnia shares some symptoms with narcolepsy. There is no known cure, lifestyle modifications and medication can help.

Answer #2

it is also called primary hypersomnia. It’s characterized by the excess amounts of sleep.

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