Sleep loss can cause silent brain damage

We all know that a bad night's sleep can make us feel slow, foggy, and irritable the next day. Now, a new study explains...

Pink noise may harm REM sleep and your health

Many people use sound machines or apps that play pink noise to help them sleep better. But new research from the University of Pennsylvania...

What an ancient jellyfish can teach us about the evolution of sleep

An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops from roughly 36 pulses a minute to...

How sleep apnea can quietly harm your brain

Obstructive sleep apnea, or OSA, is a sleep problem that many people around the world have. It happens when the muscles in your throat...

Being a “night owl” could quietly hurt your heart, research warns

Many people see themselves as night owls. They feel more alert in the evening, enjoy staying up late, and often struggle with early mornings. While...

Why you fall asleep on the sofa but not in bed

Have you ever dozed off on the sofa while watching TV, only to find yourself wide awake once you crawl into bed? You’re not...

Could sleeping without a pillow help prevent vision loss?

Glaucoma is one of the leading causes of permanent blindness in the world. It damages the optic nerve, often without warning, and once the...

Can popular sleep drugs increase your dementia risk?

A new study from the University of California, San Francisco, has found that older adults who often use sleep medications might have a higher...

Why a short afternoon nap might boost your brain function

Taking a short nap in the afternoon might do more for your brain than you think. A new study from researchers in Germany and Switzerland...

Reducing sleep drug use may help older people live longer

Millions of older Americans take prescription sleep medications to deal with insomnia. These drugs include popular ones like Ambien and other sedatives called benzodiazepines. Although...