A new study of over 300,000 people has a clear message—and it's not just to go to bed earlier.

Get some morning light, when possible, for 20 to 30 minutes. Exposure to bright light first thing in the morning helps ...

Being a night owl can be bad for your heart. That's according to a study showing night owls had poorer overall cardiovascular ...

Research shows that being a "night owl" may affect your heart health. Find out how and get tips to reduce your risk here.

Having different chronotypes, or being more active in the morning vs. afternoon, may play an important role in preserving muscle mass and strength, and metabolic health, according to a new study.

The Female-Biased Morning Type. This subtype is predominantly seen in women. While they are early risers, they are also more ...

Bad news, night owls: Staying up late can be bad for your heart. But there's good news, too.

The researchers discovered there were not two distinct chronotypes but five—two kinds of early birds and three kinds of night owls. One group of early birds tended to suffer from depression while ...

Experts explain the science—and what to do to lower your risk.

People who stay up late are more likely to have heart attacks and strokes than people who go to bed earlier, new research ...

The familiar labels "night owl" and "early bird," long used in sleep research, don't fully capture the diversity of human ...

WASHINGTON (AP) — Being a night owl can be bad for your heart. That may sound surprising but a large study found people who ...