Some lucky people have a mutation in the DEC2 gene that allows them to get by with just 6 hours of sleep a night without feeling exhausted! 😳 This rare trait, known as Familial Natural Short Sleepers (FNSS), affects around 1% of the population. While most people would be totally wiped out after just a few hours of sleep, those with this mutation feel just fine! 🧠 Experts believe famous figures like Margaret Thatcher and Winston Churchill might have had this ability! 🌟 facts fun fact science