idiopathic hypersomnia (IH)« Back to Glossary IndexIdiopathic hypersomnia (IH) is a neurological disorder characterized by excessive daytime sleepiness (often with associated cognitive dysfunction), despite getting a full night’s sleep or longer. People with IH may also experience difficulty awakening, sleep drunkenness, automatic behaviors, and symptoms related to the autonomic nervous system, such as feeling lightheaded when standing up quickly. Read more About IH.Related Articles: In Case You Missed It! – January 2022CHARLOTTE, N.C. - HF ConferenceIn Case You Missed It! – December 2021VIRTUAL MEET & GREET - "We're in This Together!"Let’s Kick Off Giving Tuesday Together!In Case You Missed It! – November 2021Our PartnersIn Case You Missed It! – October 2021VIRTUAL - Reaching Every Patient: A Health Equity ConversationWhat Is Sleep Hygiene, Anyway?Diagnosing Hypersomnias Differently—A European ProposalIn Case You Missed It! – September 2021Sleep HygieneFree Access to the Idiopathic Hypersomnia Severity ScaleUpdated and Expanded Treatment Web PageIn Case You Missed It! – August 2021Make an Emergency Anesthesia/Hospitalization Plan Now!In Case You Missed It! – July 2021VIRTUAL: Canadian Sleep Society (CSS) Conference 2021Survey for People With IH and Supporters/Caregivers
