A newly identified mutation helps super-sleepers get by on just four to six hours of shut-eye per night, while the rest of us need around eight hours. Researchers described the SIK3-N783Y mutation in ...

Imagine feeling rested after getting just four hours of sleep each night. There’s a small group of people who say they only need a few hours of ZZZs to wake up rejuvenated and ready to start … ...

Those extra hours of snoozing over the weekend to make up for sleep lost during a busy week are boosting heart health in many people, according to a new study.

A newly identified mutation helps super-sleepers get by on just four to six hours of shut-eye per night, while the rest of us need around eight hours. Researchers described the SIK3-N783Y mutation ...