Add Yahoo as a preferred source to see more of our stories on Google. For years, the story has been simple: early risers are disciplined. Night owls are lazy. One group has its act together; the other ...

Older 'night owls' face higher risk of heart attacks and strokes compared to early birds: study. Adults with night owl tendencies face a higher risk of damaging their cardiovascular health and ...

New research shows that people who naturally stay up late may have poorer heart health than early risers. Scientists looked at hundreds of thousands of adults and found that night owls were more ...

The familiar labels "night owl" and "early bird," long used in sleep research, don't fully capture the diversity of human internal clocks, a new study has found. The McGill University-led study ...

The early bird may not always get the worm, at least when it comes to cognitive performance. A study from Imperial College London suggests night owls — those who feel more alert and productive in the ...

You may think of yourself as being a night owl or a morning lark – but do you know what type of early bird or evening person you truly are? Experts believe people fall into one of five different camps ...