Staying asleep during a summer scorcher is tough. Top sleep specialists share the precise nighttime routines they use to ...

Add Yahoo as a preferred source to see more of our stories on Google. 7-9 hours remains the guideline, but not everyone needs that much sleep. Some need less, some need more. Sarah Mitroff/CNET If you ...

Belly, back or side? While we all have our preferences when it comes to our favorite sleeping position, your sleep posture can seriously impact your rest—and even you health—if you don’t know how to ...

Everything you need to know about the all-important third stage of your sleep cycle, including how much deep sleep you need.

Scientists now know that while we snooze, our brains help solidify the memories we made during the day. In this Special Feature, we investigate whether simple techniques might help improve memory ...

While some couples might sleep soundly together, for others, sharing a bed is anything but harmonious, especially for those with differing sleep styles. A restful night can be thwarted by tossing and ...

A night-shift worker finishes at dawn. Their phone says Tuesday, but their body feels like it's Monday. The body's internal clock, or circadian rhythm, controls physiological processes such as ...

Dr J.C. Suri explains how bad sleep can drive insulin resistance. Here is why this happens and the early signs that may ...

It is no secret that sleeping is one of the most important things you can do for your health. Mountains of research over the past decade demonstrate, time and again, that a decent night’s rest is ...

It can be tough to calculate exactly how long you’re in REM, but many health trackers use your heart rate, heart rate variability, and data on your movements to make solid estimations. (Just know that ...

Many smartwatches, fitness and wellness trackers now offer sleep tracking among their many functions. Wear your watch or ring to bed, and you'll wake up to a detailed sleep report telling you not just ...