Bryan Johnson· Author
Delayed bedtime by over 60-90 mins increased liver disease risk by over 1.5x.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Delayed bedtime by over 60-90 mins increased liver disease risk by over 1.5x.
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In fact, this study showed that going to bed just 60 to 90 minutes later than usual increased the risk of liver disease by 1.5x.