Chasing Excellence

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On Artificial Light and Our Natural Rhythms
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On Artificial Light and Our Natural Rhythms

The Daily Chase #08

May 14, 2025
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Chasing Excellence
Chasing Excellence
On Artificial Light and Our Natural Rhythms
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Every cell in your body is desperately trying to figure out what time of day it is. Our biological systems don't operate without a timekeeper, and the primary way they do so is through light.

For most of human history, we rose with the sun, worked by daylight, gathered around fires at dusk, and slept when darkness fell.

But artificial light has changed ev…

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