When people think about ways to improve cardiovascular health, diet and exercise are often at the top of the list. But ...

(Catherine Delahaye/Getty Images) Rolling out a yoga mat and flowing with your breath could be one of the best exercises for ...

Teens are getting less sleep, a trend that will impact their ability to learn and do well in school. But don’t rush to blame cellphones and social media, say the authors of a new study. Researchers ...

Teen sleep timing shapes eating habits and activity levels more than expected. Late sleep leads to unhealthy choices and ...

People who eat more fruits and vegetables may experience better sleep quality, according to a new study — and the benefits could occur overnight. Researchers from Columbia University and the ...

There are multiple factors that have an impact.

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 ...