Some lucky people have rare genetic mutations that enable them to feel well-rested after just four hours of sleep, while the rest of us need around eight hours to function. Now, researchers have ...

Researchers identified a new genetic mutation that may allow some people to survive, even thrive, on three hours of sleep. The mutation is called SIK3-N783Y. Scientists said mice test subjects ...

Add Yahoo as a preferred source to see more of our stories on Google. Are you a super-sleeper? Rare mutation means some people thrive on just 4 hours a night Scientists have discovered a rare genetic ...

This photo provided by Emilys Entourage in April 2025 shows Emily Kramer-Golinkoff, who has cystic fibrosis caused by a rare genetic mutation, during a trip to Maine. (Emilys Entourage via AP) ...