For many people, hypnosis is best known as a party trick or a bit of entertainment: A hypnotist on stage asks for a volunteer who undergoes hypnosis, then, at a snap of the hypnotist’s fingers, the ...

Sleep walking remains a mysterious and challenging sleep disorder that can pose serious danger should the sleep walker fall down a flight of stairs or attempt to engage in complex behaviors such as ...

When sleep is skipped, the brain tries to sneak in those fluid pulses during wakefulness, especially when attention slips. "One way to think about those events is that your brain is so in need of ...

Two particular phases in your nightly routine seem to play outsize roles in cognitive health. By Mohana Ravindranath A good night’s sleep isn’t just about the number of hours you log. Getting quality ...

Researchers have long wished to understand the connection between sleep and memory, especially how the brain encodes long-term memories during slow-wave sleep (while discarding others), or the deep ...

A 2023 study found that shorter sleep duration causes reduced brain cortical thickness. Sleep disorders increase the risk of Alzheimer’s, stroke, and cognitive decline. Chronic sleep deprivation ...