We’ve long known that a lack of sleep is bad for the heart – but scientists are now starting to understand exactly how it causes harm. In a study from Uppsala University in Sweden, researchers found ...

Americans, by and large, are starved for sleep. While seven to nine hours of sleep a night is generally recommended, a survey by US News revealed 58% of us sleep six to seven hours a night, while one ...

I’ve heard eight hours of sleep is ideal, but I often get less than that. (And sometimes more.) How much sleep do I really need? The answer is complicated, but worth exploring. We often hear about the ...