Is hypersomnia common?

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Producer:Videojug
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Duration: 1:40
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Video quality: 360p
Video frame size: 640x360
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Is hypersomnia common?

Irshaad Ebrahim (Medical Director of The London Sleep Centre) gives expert video advice on: What is hypersomnia?; Is hypersomnia common?; Is hypersomnia harmful? and more...

It is thought that hypersomnia affects about 1 in 20 people.

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