Idiopathic Hypersomnia Overview
The Genetic and Rare Diseases Information Center offers information about idiopathic hypersomnia (IH), which is a neurological sleep disorder with symptoms that often begin between adolescence and young adulthood and develop over weeks to months. People with IH have a hard time staying awake and alert during the day.
Reference: “Idiopathic Hypersomnia,” GARD, 2022
