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Idiopathic Hypersomnia

Idiopathic hypersomnia is a sleep disorder in which you're excessively tired during the day, either with or without a long sleep time.

Experience. Mayo Clinic doctors trained in sleep medicine have experience evaluating and treating people who have idiopathic hypersomnia and other sleep disorders. Each Mayo Clinic location offers a sleep disorders center accredited by the American Academy of Sleep Medicine, staffed by specialists trained in treating sleep disorders.
Team approach. Mayo Clinic doctors trained in sleep medicine, including doctors trained in lung and breathing conditions (pulmonary medicine), mental health conditions (psychiatry), brain conditions (neurology) and other areas, work together to diagnose and treat people who have idiopathic hypersomnia and other sleep disorders.
Research. Mayo Clinic doctors and researchers study possible treatments for idiopathic hypersomnia and other sleep disorders and conduct clinical trials.

Mayo Clinic in Rochester, Minn., is ranked among the Best Hospitals for neurology and neurosurgery and for psychiatry by U.S. News & World Report.