A new review of research evidence has explored the key differences in how women and men sleep, variations in their body clocks, and how this affects their metabolism. A new review of research evidence ...

Sleep researchers have known for years that people in Japan sleep significantly less than people in the United States, Canada, and most European countries. In one study that recorded sleep patterns ...

You may have heard sleep described as something of a magic pill for the body. With the right amount, timing, and quality, it can work wonders -- strengthen the immune system, improve blood sugar, even ...