Researchers followed more than 400,000 teens until they were adults. It found that those who used marijuana were more likely ...

Researchers followed more than 400,000 teens until they were adults, and found that those who used cannabis in the past year were more likely to develop psychotic and bipolar disorders, depression and ...

The survey, one of the largest of its kind, promotes the idea that the texture of daily life can leave a measurable imprint on the aging brain.

Ana Fernández-Arcos, ​​42, is a neurologist specializing in sleep medicine and a researcher at the Pasqual Maragall ...

Sleep disorders occur more frequently in Europe than previously assumed. The most significant include obstructive sleep apnea, insomnia, and restless legs syndrome, affecting 31 percent of the adult ...

Insomnia is no longer just a nuisance that makes mornings miserable. Large cohort studies now suggest that chronic insomnia, ...

A sweeping new review of ADHD treatments—drawing on more than 200 meta-analyses—cuts through years of mixed messaging and hype. To make sense of it all, researchers have launched an interactive, ...

Researchers at the University of Pennsylvania conducted a seven-night sleep laboratory study and found that REM sleep decreased by an average of 19 minutes per night when participants were exposed to ...

Pink noise, a staticky sound that’s supposed to help people fall asleep, may actually worsen your rest, a new study found. Pink noise — like white noise — contains all the frequencies humans can hear, ...

Compulsive behavior has long been thought to arise from rigid habits that overpower self-control, but new research in rats challenges this idea. Scientists found that inflammation in a key brain ...

iRBD and NT1-RBD exhibit qualitatively distinct REM motor phenotypes: upper-body-dominant, complex/scenic behaviours in iRBD versus elementary, predominantly bilateral lower-limb behaviours with ...

Growing evidence highlights a tight interplay linking circadian and sleep–wake disturbances to the pathophysiology of neurodegenerative disorders. In α-synucleinopathies, three key points have emerged ...