Narcolepsy is a chronic, lifelong condition. It is not a deadly illness, but it may be dangerous if episodes occur during driving, operating machinery, or similar activities. Narcolepsy can usually be controlled with treatment. Treating other underlying sleep disorders can improve symptoms of narcolepsy.
What to expect if I have Narcolepsy  (Outlook/Prognosis)?
Narcolepsy is a chronic, lifelong condition. It is not a deadly illness, but it may be dangerous if episodes occur during driving, operating machinery, or similar activities. Narcolepsy can usually be controlled with treatment. Treating other underlying sleep disorders can improve symptoms of narcolepsy.