Your nightly sleep cycle plays a key role in the quality of your sleep. Here's what happens in each stage and why it matters for overall well-being.

Morning sunlight plays a crucial role in regulating your body's internal clock, known as the circadian rhythm. Exposing your ...

Time to give these so-called sleep hacks a rest? The team behind the sleep tracker Sleep Cycle crunched data from over 1 million global users to determine the social media slumber shortcuts that have ...

Experts are reexamining the use of screens before bed and finding that it may not just be the blue light exposure that will keep you up, but also what you are watching that’s bad for your sleep cycle.

Many of us know the feeling all too well: You're exhausted, but your brain is racing through thoughts in overdrive. Neuroscience experts have tips to help you wind down at night. Monique ...

The internet claims waking at the end of a sleep cycle will leave you refreshed, but experts aren’t convinced. By Clarissa Brincat Published Sep 9, 2025 9:00 AM EDT Image: DepositPhotos Get the ...

You don’t necessarily dream during every stage of sleep. They seem to happen mostly during the REM stage. Keep reading to learn more about dreams and the sleep cycle. Share on Pinterest Photographer, ...