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Swiss Med Wkly. 2005 Nov 19;135(45-46):662-5.

Genetics of narcolepsy and other major sleep disorders.

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  • 1Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerand.


One third of the population is affected by a sleep disorder with a major social, medical, and economic impact. Although very little is known about the genetics of normal sleep, familial and twin studies indicate an important influence of genetic factors. Most sleep disorders run in families and in several of them the contribution of genetic factors is increasingly recognised. With recent advances in the genetics of narcolepsy and the role of the hypocretin/orexin system, the possibility that other gene defects may contribute to the pathophysiology of major sleep disorders is worth indepth investigation.

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