A new study has found that exercise lowers heart-risk markers more sharply when workout timing matches a person's natural ...

The heart does not work on guesswork. It follows a clock. Every beat, every surge in pressure, and every shift in blood flow ...

The role of the body clock is often overlooked when it comes to the functioning of the heart. A top doctor explains the ...

A new study has founda link between working out around your internal body clock and improved heart health. So-called chronotype alignment could boost sleep quality and lower heart disease risk factors ...

WASHINGTON — It’s a sound that jolts most people awake—even from some of the deepest sleep. We hit the snooze button, but the persistent, sometimes annoying, sound of our alarm clocks just won’t quit.

Martin Young, Ph.D., in the University of Alabama at Birmingham Division of Cardiovascular Disease, says springing forward one hour is associated not only with increased accidents, but also increased ...

India, April 16 -- What if the best time to exercise isn't early or late-but simply your time? Matching workouts to your body clock, or chronotype, could play a powerful role in reducing heart disease ...