Narcolepsy with cataplexy, now known as type 1 narcolepsy, is a chronic neurological disorder that affects a person’s sleep-wake cycle and involves muscle weakness. The condition can cause a person to ...

Hypersomnia and narcolepsy are both sleep disorders that cause excessive daytime sleepiness and other changes in natural sleep-wake cycles. "Hypersomnia" actually refers to several sleep conditions ...

This informational guide, part of POPSUGAR's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to ...

For nearly 25 years, scientists believed they knew what caused the most severe form of narcolepsy. A new UCLA Health study now suggests they were only half correct. In a study published in Nature ...

Exercise can feel complicated — or even scary — when you’re living with narcolepsy. Excessive daytime sleepiness, disrupted nighttime sleep, brain fog, and sudden muscle weakness can make it harder to ...