New large-scale research reveals that a natural preference for late nights is linked to a 79% higher risk of poor ...

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

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

Emerging evidence suggests that "night owls" are more likely to have poor heart health and a higher risk of heart attack or ...

According to a study conducted by the Journal of the American Heart Association, adults who stay up late have an increased risk of cardiovascular disease. In the study, researchers reviewed health ...

Categorizing people into just two groups — late and early risers — may be oversimplified when it comes to health and ...

Being forced to go to sleep and wake up earlier than your chronotype has consequences. Are you a night owl who cringes—maybe even yawns—at phrases like “the early bird catches the worm”? If so, Matt ...

In northern climates, February has a particular heaviness. Even though we've passed the longest night of year, the days often ...

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

WASHINGTON (AP) — Being a night owl can be bad for your heart. That may sound surprising but a large study found people who are more active late at night — when most of the population is winding down ...

WASHINGTON (AP) — Being a night owl can be bad for your heart. That may sound surprising but a large study found people who are more active late at night — when most of the population is winding down ...