MAB« Back to Glossary IndexThe Hypersomnia Foundation’s Medical Advisory Board. Read more HERE.Related Articles: Differences in Hypersomnia Disorder Symptoms Among African AmericansResearchers/PharmaStudy Reveals “Default-Mode Network” Is Different in People with IHAsk the Doctor: IH, CFS and Fibromyalgia – How Do They Differ?Summary of “Establishing the Objective Sleep Phenotype in Hypersomnolence Disorder [IH] with and without Comorbid Major Depression”