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What is Idiopathic Hypersomnia?


Have you been recently diagnosed with Idiopathic Hypersomnia (also referred to as Idiopathic Hypersomnolence)? Or are you a long time sufferer or loved one/carer of someone with Idiopathic Hypersomnia looking for information, support and advice? You have come to the right place! Hypersomnolence Australia is committed to being a strong advocacy, raising awareness and educating others about Idiopathic Hypersomnia. Our goal is to not just change the process to diagnosis but also the level of care and services available to people post diagnosis. All of our medical information including our Idiopathic Hypersomnia Factsheet has been reviewed by sleep health professionals.

What is Idiopathic Hypersomnia (Idiopathic Hypersomnolence)? Learn about IH
How is Idiopathic Hypersomnia (Idiopathic Hypersomnolence) diagnosed and treated
Full range of RESOURCES.


Having a rare neurological sleep disorder like Idiopathic Hypersomnia usually means going through life never meeting another person you can relate to or who understands what life is like for you. This can be very isolating and lonely.

Our Living with IH page is a place where you will find stories and other expressions by people living with Idiopathic Hypersomnia. We hope that their stories will help you on your journey. You can start by clicking on the images below.

Click here for our Living with Idiopathic Hypersomnia Support Group page.

Hypersomnolence Australia is on a mission to improve the lives of people with Idiopathic Hypersomnia. But we need champions of change to join us.

There are various ways you can support us.

Our primary purpose is to support the medical community work towards a better understanding of Idiopathic Hypersomnia, effective treatment options, and identifying biomarkers that will lead to more appropriate diagnostic tools and ultimately a cure for Idiopathic Hypersomnia.

Idiopathic Hypersomnia (IH), sometimes referred to as Idiopathic Hypersomnolence, is a neurological sleep/wake disorder characterised by excessive sleep and daytime sleepiness despite extraordinary amounts of good quality sleep. It is a debilitating condition often profoundly affecting work, education, and relationships.

The most important annual event for Idiopathic Hypersomnia is the Worldwide Idiopathic Hypersomnia Awareness Week® hosted by Hypersomnolence Australia. It is held annually from 1st - 7th June.

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