| | MySleepCenter | | | Some of the characteristic symptoms of this disorder include: The exact cause of narcolepsy is not known, but it is believe a gene for it was found in 1999. This is the only sleep disorder that is caused by a flaw in the primary sleep systems of the brain. Other comments about narcolepsy. This condition is an intrinsic sleep disorder, meaning that it comes from within the body. It is a type of dyssomnia. | |
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