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Alternative namesHypersomnia - idiopathic
DefinitionIdiopathic hypersomnia is excessive sleeping ( hypersomnia ) without obvious cause.
Update Date: 10/28/2003Allen J. Blaivas, D.O., Division of Pulmonary, Critical Care, and Sleep Medicine, University Hospital, Newark, NJ. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT