Rare genetic disorders (conditions you were born with), such as:
Niemann Pick type C disease
Fragile X syndrome
Narcolepsy type 1 and 2 associated with a medical disorder
In NT1 and NT2 associated with a medical disorder, the underlying medical disorder is the main cause of EDS, but people also meet the full diagnostic criteria for NT1 or NT2. If you think you have narcolepsy associated with a medical disorder, ask your doctor if you need further testing. The narcolepsy diagnosis can help you get narcolepsy treatments that may help your symptoms.
Hypersomnia associated with a mental disorder
In hypersomnia associated with a mental disorder, EDS and a mental disorder are related. Researchers don’t yet know whether the mental disorder causes the EDS, the EDS causes the mental disorder, or the two are related in another way.
Mental disorders that may be associated include:
What can help my symptoms?
Treatment for the associated medical or mental disorder may help your hypersomnia symptoms, such as EDS.
To learn more about how you can help your symptoms, visit our web pages: