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: What 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/CaregiversVIRTUAL MEET & GREET – "Self Advocacy: Getting Your Best Care"VIRTUAL – Your Best Self: Getting Your Meds!Announcing Two New Web Pages—From Parenthood to Birth Control and More!Medical Alert OptionsBirth Control, Menstruation & MenopauseParenthood & PregnancyDescribing Idiopathic Hypersomnia in a NutshellVIRTUAL: Diagnosing Hypersomnia Differently—A European ProposalTips for Supporters of People With Hypersomnias
