Back sleeping can ease chronic pain, calm acid reflux and even slow signs of aging. Here's what the research says.

We're all after a night's sleep that makes us feel restored and rested for the next day. What does sleep position have to do ...

Is melatonin making you murky in the morning? Our bodies naturally produce the hormone melatonin to help regulate our sleep-wake cycle. Melatonin is also a popular supplement meant to address sleep ...

So how much sleep do kids really need? It’s more than many parents may think. The National Sleep Foundation recommends 14 to 17 hours for newborns, 12 to 15 for infants, 11 to 14 for toddlers, 10 to ...

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 ...

The following story is excerpted from TIME’s special edition, The Science of Sleep, which is available at Amazon. Anyone who has nodded off on the subway, faked alertness in a meeting at work or ...

It can be hard to get a good night's sleep when the weather is hot. Here are some simple tips which could help. 1. No napping ...

A range of sleep problems are related to RA. These tips can help you get good quality sleep — which is important for managing ...

Image of an iPhone (with Health app visible) next to an Apple Watch. (Apple) Apple Health brings sleep tracking, scheduling and long-term analysis into one place, with your iPhone acting as the hub ...

Sleeping on an airplane is sometimes a must, especially for business travelers or those on late-night flights. While sitting in a metal tube hurtling through the air is nobody's preferred bedtime ...