Scientists have identified a rare genetic mutation that allows some people to feel fully rested with just four to six hours of sleep—without the health risks typically tied to sleep deprivation. While most adults need seven to nine hours of rest to avoid conditions like Alzheimer’s and heart disease, those with the mutation function well on significantly less sleep. Researchers from the Chinese Academy of Sciences found these individuals produce fewer low-frequency Delta brain waves, and may eve
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Scientists have identified a rare genetic mutation that allows some people to feel fully rested with just four to six hours of sleep—without the health risks typically tied to sleep deprivation. While most adults need seven to nine hours of rest to avoid conditions like Alzheimer’s and heart disease, those with the mutation function well on significantly less sleep. Researchers from the Chinese Academy of Sciences found these individuals produce fewer low-frequency Delta brain waves, and may eve
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