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Board Certified Sleep Specialist, author and expert. Providing information, guidance, & real solutions for a better night's sleep
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Light at Night Reduces Lifespan, But More Sunlight Makes You Live Longer (89,000-Person Study).

In ~89,000 adults followed for about 8 years, those with the highest levels of night-time light had about 20–35% higher risk of dying, especially from cardiometabolic causes, while those with the brightest daytime light had about 15–35% lower risk of dying.

These associations remained after extensive adjustment for sociodemographic, lifestyle, cardiometabolic, and sleep factors, and after excluding shift workers, supporting the interpretation that personal light–dark patterns and the circadian disruption they induce or prevent are independent predictors of mortality risk.

Watch the full paper breakdown on YouTube @ TheSignalWithJonathanJarecki 

(@thesignal.podcast)
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Limitless Live 2026 has come to a close, and I’m still replaying the highlights in my head.

Getting to emcee this event was one of the greatest honors of my career. Standing on that stage surrounded by people chasing bigger lives and bolder goals, reminded me exactly why I do this work.

To everyone who trusted me with this role, thank you. To every single person who showed up ready to grow, thank you. This is one I’ll carry with me for a long time.

Makes sense? 

#limitlesslive #limitless #jimkwik #event #motivation
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