A large body of research supports the health benefits of being an early bird. But being a night owl isn't all bad, say experts. (Photo illustration: Aïda Amer for Yahoo News; photos: Getty Images) ...

A favorite trope of sleep research is to divide the entire human population into two cute, feathered categories: early birds (also called larks) and night owls. Often, these studies link people’s ...

Night owls will find this new research a hoot. A study from Imperial College London suggests that those most active at night perform better on cognitive tests. The researchers analyzed UK Biobank data ...

Night owls were more sedentary, had lower aerobic fitness levels and burned less fat at rest and while active than early birds in the study. Night owls were also more likely to be insulin-resistant, ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. If so, you could be at higher risk of ...

They say the early bird catches the worm, but what about the night owl? Often considered at odds with the circadian rhythm, night owls–those who go to bed after midnight–have long been misunderstood.