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Hypersomnia is a pathology where a person suffers excessive sleepiness during the day. Sufferers can fall asleep at any time during any activity, which can result in danger to themselves or others.
Hypersomnia: what is excessive sleepiness and can it be treated?
By Professor Matthew Walker2019-02-20
Hypersomnia is a sleep condition characterised by daytime or excessive sleepiness. It can vary in intensity and can have different causes. Professor Matthew Walker, a top neurologist, explains what hypersomnia is, its causes and the unfortunate effects this problem can have on people’s lives. See more