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

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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:

1. Why lux — not just blue light — is the brightness signal driving your metabolism and weight regulation
2. Why lux exposure is cumulative and how to track and optimize it throughout your day
3. 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 transcript excerpt at qbcpod.com.

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The Institute of Applied Quantum Biology, a non profit organization translating the new science into practical application: https://www.iaqb.foundation/certification

From our sponsor:

For red light therapy devices, blue blocking glasses, circadian friendly nightlights & more, visit boncharge.com and enter QBC in the discount box at checkout.

MyCircadianApp

Download to your device from the App Store, use code QBCPOD. Make it easy to get your light right: this app tracks everything you need to have a circadian optimised life.

Link: https://get.mycircadianapp.com/cXOl/QBCAPP

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