Although sometimes portrayed in film and television as simply "falling asleep without warning," the reality of narcolepsy is ...

A hormone produced by the brain, orexin, may play a central role in the functioning of the brain’s glymphatic system, which clears waste, according to a new study from the University of Oulu.

A hormone produced by the brain, orexin, may play a central role in the functioning of the brain's glymphatic system, which clears waste, according to a new study from the University of Oulu.

Narcolepsy is often mistaken for stress or laziness, but this rare disorder stems from a brain chemical deficiency doctors can now treat. Here's what to know.

Narcolepsy alters the pulsations that maintain the brain’s waste clearance system, shows a new study from the University of Oulu. The researchers’ discovery increases our understanding of the effects ...

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 ...

That overwhelming sleepiness dragging you down might not just be from staying up too late scrolling through TikTok. While everyone occasionally battles the afternoon slump, people with hypersomnia or ...

Geraldine Gruszczyk lives with narcolepsy with cataplexy, a disorder triggered by intense emotions. "The first time my body ...

Brain clearance involves three types of pulsation: cardiovascular pulsations generated by the heartbeat in the arteries, respiratory pulsations in the veins and cerebrospinal fluid spaces, and slow ...