Rare genetic mutation lets some people thrive on just 4 hours of shut-eye - Live Science

  • Patrick Pester |
  • Technology |
  • Live Science |
  • 05-09-2025 |
  • 31

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 ide…

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