Definition of hypersomnia
- The International Classification of Sleep Disorders defines idiopathic hypersomnia as a disorder of excessive sleepiness that is associated with major sleep episodes, the cause of which is presumed to lie in the central nervous system.
- —Sudhansu Chokroverty
- Psychology Today reports that people who persistently fall asleep at their desks may be suffering from the dread hypersomnia …
- —Curt Suplee