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Welcome to the Hypersomnia Foundation, committed to improving the lives of people living with idiopathic hypersomnia (IH) and related sleep disorders.
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Idiopathic Hypersomnia (IH) Is a Chronic Neurological Sleep Disorder.

People with IH crave sleep in the daytime, no matter how many hours they sleep at night. They struggle to wake, despite setting multiple alarms, and may have difficulty rising from bed (called sleep inertia). They may start the day feeling extremely groggy (sometimes referred to as sleep drunk), and can experience reduced focus and concentration during waking hours (called brain fog).

People with idiopathic hypersomnia often live without a correct diagnosis for a long time, blaming themselves and struggling to maintain work, studies, and relationships. 

If you or a loved one has IH or a related sleep disorder, you’ll find understanding and up-to-date information here. (All medical info is reviewed by the sleep specialists and researchers on our Medical and Scientific Advisory Boards.) Explore our site to learn more about the science of sleep and the status of research, download guides for students, find clinical trials, consult the directory of physicians, join our patient registry, and much more.

In 2016, the Hypersomnia Foundation launched an international patient registry. If you have IH, narcolepsy, KLS, or another related disorder, you can help provide researchers with vital data!

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May 19, 2020

In Case You Missed It! – May 2020

During this unprecedented time, we are grateful to be able to stay in touch with our community through social media, email, and SomnusNooze. If you’ve missed any of the latest news we’ve shared, don’t worry! Get up to date with this latest edition of “In...

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April 21, 2020

In Case You Missed It! – April 2020

Now more than ever, we are grateful to be able to stay in touch with our community through social media, email, and SomnusNooze. If you’ve missed any of the latest news we’ve shared, don’t worry! Get up to date with this latest edition of “In...

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March 17, 2020

In Case You Missed It! – March 2020

Happy St. Patrick’s Day! If you’ve missed the latest news we’ve shared via social media, don’t worry, you’re in luck! Get up to date with this latest edition of “In Case You Missed It!” CONGRATULATIONS: Dr. Todd Bishop receives funding through HF’s Research Award Program...

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Our Mission

The Hypersomnia Foundation engages, informs and champions our global community to improve the lives of people with idiopathic hypersomnia and related sleep disorders.

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Raising Awareness

HF strives to increase community and physician awareness of idiopathic hypersomnia and related disorders.

Sharing Tools and Information

We provide education and resources for people with hypersomnia, their supporters, and healthcare providers.

Promoting Research

HF advocates for research into the causes and treatments of IH, in the quest for improved outcomes and quality of life for people with hypersomnia.

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