Disorders of excessive somnolence.

In some countries, it is also approved for other hypersomnias, like idiopathic hypersomnia.

Support for persons with narcolepsy or other hypersomnias seeking to optimize their quality of life.

Secondary hypersomnias are extremely numerous.

The other primary hypersomnias will remain subdivided based on the presence of SOREMPs.

The true primary hypersomnias include: narcolepsy (with and without cataplexy); idiopathic hypersomnia; and recurrent hypersomnias (like Klein-Levin syndrome).

Some persons with EDS, including those with hypersomnias like narcolepsy and idiopathic hypersomnia, are compelled to nap repeatedly during the day; fighting off increasingly strong urges to sleep during inappropriate times such as while driving, while at work, during a meal, or in conversations.