A large new study suggests that too little and too much sleep are linked to faster ageing and several diseases. How much ...

The Nature study introduces “Sleep Chart,” a framework linking self-reported sleep duration with 23 biological aging clocks ...

An analysis of biological clocks throughout the human body suggests that too few hours of sleep—and too many—may speed aging ...

While adults are often advised to sleep between seven to nine hours each night, new research suggests that seven hours may offer the most health benefits. A large-scale study found that consistent ...

The old advice to simply get eight hours misses a bigger picture, researchers say. New studies reveal that timing, ...

We’re constantly being reminded by news articles and social media posts that we should be getting more sleep. You probably don’t need to hear it again – not sleeping enough is bad for your brain, ...

Though it might seem like the question "How much sleep do you need" gets a new answer every other week, the The National Sleep Foundation says its new chart breaks the question down like never before.

Is it true that sleeping more than eight hours a night hastens your demise? People certainly think so. Several years ago a national TV news reporter asked me if it was true, because after working ...

That’s the nightly sleep recommendation we hear most frequently, the highly-promoted gold standard for a healthy sleep routine. But what if it isn’t? I read this recent article in the Wall Street ...

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 ...

A recent study shows that getting between 7 to 7.5 hours of sleep may help lower your risk of diabetes. Image Credit: Artem Zhushman/Stocksy There is a long-standing relationship between type 2 ...