By contrasting Ffej’s firelit, sun-aligned sleep cycle with our screen-lit nights, Jeff shows how artificial blue light has hijacked our circadian rhythm, eroding our health and disconnecting us from the natural cues that once governed rest and recovery.

This is the sixth installment in our multi-week series exploring how our relentless pursuit of ease is undermining our health and resilience. But don't despair! By the end, you will be empowered with ways to extend your healthspan, rekindle your vitality, and age well.

Read the full text of this series on Jeff's Substack: https://jeffkrasno.substack.com/

Or, find the recordings on Audible, Apple Books, or Spotify.

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