Sleep · Condition
Narcolepsy
Narcolepsy is a neurological condition that affects the brain’s control of sleep
and wakefulness, causing overwhelming daytime sleepiness and sometimes sudden
muscle weakness with strong emotion.
What is Narcolepsy?
Narcolepsy is a neurological condition that affects the brain’s control of sleep and wakefulness, causing overwhelming daytime sleepiness and sometimes sudden muscle weakness with strong emotion. It is often misunderstood and underdiagnosed — and with the right diagnosis, symptoms can be managed well.
Causes & risk factors
Brain signaling
Loss of a brain chemical (hypocretin) that maintains wakefulness.
Autoimmune factors
Thought to play a role in many cases.
Genetics & triggers
A genetic predisposition, sometimes following an infection.
Recognize These in Yourself or
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Symptoms
Excessive daytime sleepiness
Sudden muscle weakness with emotion (cataplexy)
Sleep paralysis
Vivid dreams as you fall asleep
Disrupted nighttime sleep
How we diagnose it
Diagnosis involves an overnight sleep study followed by daytime nap testing.
Frequently asked questions
Is narcolepsy just being very tired?
No — it is a distinct neurological condition. The sleepiness is overwhelming, and specific testing confirms it.
Can it be treated?
Yes. While there is no cure, scheduled naps, sleep habits, and medication manage symptoms effectively.
