It doesn't mean staying up and waking up late is inherently unhealthy.

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

Add Yahoo as a preferred source to see more of our stories on Google. While it is difficult to fundamentally change your chronotype, it does naturally shift as you age.Composite: Rita Liu/The Guardian ...

Night owls, who tend to stay up late and wake up later in the morning, reap a number of benefits and boast certain traits that are generally overlooked in our culture that celebrates early risers, ...

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 ...

Every family is different. While some parents adhere to early to bed, early to rise lifestyles, not all kids thrive in that environment. If adults can be night owls, kids can be too. That means, as ...

Night-owl habits and irregular sleep can disrupt the body's circadian rhythm, raising blood pressure, inflammation and metabolic risk. A cardiologist explains how poor sleep affects heart health, why ...

'Night owls' traditionally get a bit of a rough time of it, with numerous studies linking staying up late to poor health outcomes, inadequate sleep and a fair amount of shame that comes with not being ...

WASHINGTON — 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 or ...