00:00How much you sleep tonight might be quietly speeding up or slowing down how fast your body ages.
00:05A major new study published in Nature analyzed 23 biological aging clocks covering the brain,
00:11heart, lungs, and immune system built from imaging and protein data on tens of thousands of people in the UK
00:18biobank.
00:19Researchers found a clear U-shaped pattern.
00:22Both sleeping too little and sleeping too much were linked to faster biological aging across nearly every organ.
00:29The sweet spot for the least aging turned out to be between 6.4 and 7.8 hours of sleep
00:36a night.
00:36People sleeping fewer than 6 hours or more than 8 hours showed signs of accelerated aging,
00:42along with a higher risk of conditions, including depression and diabetes.
00:46Interestingly, women generally needed slightly more sleep than men to hit that lowest aging zone.
00:52Researchers say the findings support sleep optimization as a simple,
00:56powerful tool for promoting healthy aging across the whole body, not just the brain.
01:01Disclosure, this video contains stock footage and content created or enhanced using AI-assisted tools.
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