Let's first see how to do it on the YouTube app: Play a video on YouTube, tap the gear icon in the top-right corner, and choose Sleep timer. By default, this setting is set to Off, but you have ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Want to improve your chances for a good night ...

“Everyone has a specific threshold for insomnia, and sometimes precipitating factors can break through the threshold and you can’t sleep. The stressors could be personal ...

If you’ve ever struggled with sleep (read: if you’re a human), you can probably rattle off at least a few pieces of sage sleep advice: Quit the caffeine in the evening. Turn your bedroom into ...

“Sleep is essential for cognitive health, as it allows the brain to rest and rejuvenate, enhancing our ability to think clearly and remember information,” said study author Yue Leng ...

The team first trained five monkeys on a task evaluating image orientations and tested them twice, with a 30-minute gap in which they either had non-REM sleep or merely rested. The monkeys that ...

New Study Links Lower Proportions of Certain Sleep Stages to Brain Changes Associated With Alzheimer's Disease Mar. 31, 2025 — New research reveals that lower proportions of specific sleep ...

Yet for some, they can sabotage nighttime sleep. Napping is a double-edged sword. Done right, it’s a powerful way to recharge the brain, improve concentration, and support mental and physical ...

It might momentarily disturb your sleep but it usually doesn’t affect your ability to instantly return to the land of nod. But what are these fleeting moments called and why do they happen?

The National Weather Service is no longer providing language translations of its products, a change that experts say could put non-English speakers at risk of missing potentially life-saving ...

Getting enough sleep is easier said than done — that's where napping comes in handy. Whether you're looking to catch up on rest after a sleepless night or relax in the afternoon, napping is an ...