While the exact cause of narcolepsy is not known, experts suspect that it is due to a loss of cells in part of the brain that are responsible for releasing a neurotransmitter called

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Narcolepsy is believed to be caused by the loss of cells in the hypothalamus that produce orexin (also known as hypocretin), a neurotransmitter that regulates wakefulness and sleep.

While the Exact Cause of Narcolepsy Is Not Known, Experts