Frequently Asked Questions

Is narcolepsy hereditary?

Narcolepsy can be inherited, but for the most part, this condition is not hereditary. A majority of cases of narcolepsy are sporadic, which means the condition will develop in someone with no family history of narcolepsy.

Research shows that when narcolepsy is inherited, it’s more common for someone to inherit narcolepsy with cataplexy, which is a specific type of the condition that occurs when people produce low levels of a brain chemical called hypocretin.

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