Natural short sleepers seem to have won the genetic lottery, which allows them to thrive on very little sleep. (Credit: Shutterstock)

Your sleep needs are probably influenced by your genes.It’s a new way of thinking about sleep that’s gaining steam, thanks to a rare group of people known as natural short sleepers, or those who can function normally on less than six hours of sleep a night.

And now, a team of researchers at the University of California, San Francisco — who identified the fi