Early birds and night owls are the best-known ' chronotypes ' – profiles that describe when during the day a person is most ...

(CNN) — Sleeping and waking up at different times is associated with an increased risk of heart attack and stroke, even for people who get the recommended amount of sleep, according to new research.

The way you sleep each night creates a detailed blueprint of your cardiovascular health, potentially revealing stroke risk with remarkable precision years before any symptoms develop. Your sleep ...

Like many Americans, I know I need more sleep. I'm a night owl, often writing late into the night, but also a mom who gets up early with her kids. The result: I'm not getting enough rest.

Unhealthy sleep patterns and shorter sleep duration are correlated with increased obesity risk in American adults. Sleep pattern scoring provides a more comprehensive predictive indicator for obesity ...

That tendency to stay up late might be affecting more than just your morning mood. Growing research suggests your natural sleep chronotype, whether you’re an early bird or night owl, could ...