Idiopathic hypersomnia
ORPHA:33208· ICD-10 G47.1
Definition
A rare neurologic disease characterized by an excessive daytime sleepiness with long and unrefreshing naps, and/or prolonged and undisturbed nocturnal sleep, impaired daytime alertness, and/or sleep inertia (ie, great difficulty in waking up after sleep) and where other causes have been excluded.
- Prevalence
- Unknown
- Inheritance
- Unknown
- Age of onset
- All ages