But the fact that you can't sleep might not be your fault. It turns out, night owls have an internal clock that functions differently. Forcing them to wake up early could have serious health ...

(CNN)-- If you have a hard time crawling out of bed in the morning, it could be that your body is biologically programmed to start the day later. Experts say a spectrum of natural sleeping and ...

People who are most active and alert in the evening could actually be sharper than boastful early birds, who enjoy the thrill of a 6am alarm. Researchers from Imperial College London analysed ...

But a new study suggests that people who are night owls, such as Barack Obama, Winston Churchill and Robbie Williams could be ...