Idiopathic hypersomnia (IH) is a rare neurological disorder. Treatment can help, but there’s no cure. You may snooze upwards of 9 hours a night without feeling refreshed. You may fight to wake up in the morning. Your sleepiness may persist or get worse, even when you take lengthy naps during the day.
If you live with IH, you’d probably like to know what’s causing your symptoms. Unfortunately, that’s not something experts have figured out yet.
“Literally, the name idiopathic hypersomnia means you’re sleepy and we don’t know why,” says Sabra Abbott, MD, assistant professor of neurology and sleep medicine at Northwestern University Feinberg…
