172: Circadian Foundations: Lux, Infrared & Light Timing with Sarah Kleiner

172: Circadian Foundations: Lux, Infrared & Light Timing with Sarah Kleiner

March 12, 2026 · 58 min · Episode 172

About this episode

Sarah Kleiner discusses the impact of light exposure on metabolism and weight regulation.

📺 Watch the Video on Spotify , YouTube & Rumble Join our FREE Community For every hour morning light is delayed, BMI increases by over a point — and most of us are getting nowhere near enough lux. Sarah Kleiner, founder of Sarah Kleiner Wellness, Board Certified in Applied Quantum Biology from the ANMCB, and host of the top 2% podcast Evolving Wellness, breaks down the light variable that could be undermining your metabolism, weight, and sleep. You'll walk away knowing: Why lux — not just blue light — is the brightness signal driving your metabolism and weight regulation Why lux exposure is cumulative and how to track and optimize it throughout your day What infrared light does for your mitochondria and why modern environments have almost entirely stripped it away Connect with Sarah Kleiner Download MyCircadianApp (with the lux meter!) in the app store on your device. Use code QBCPOD App website: MyCircadianApp.com App IG: https://www.instagram.com/mycircadianapp/ Sarah’s Substack: https://substack.com/@sarahkleinerwellness Sarah’s IG: https://www.instagram.com/sarahkleinerwellness Sarah’s website: https://www.sarahkleinerwellness.com Full show notes, research links, and…

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