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The Natural State with Dr. Anthony Gustin

Aug 22, 2023

What are the best times to wake up, eat, work out, focus, and sleep according to circadian biology? There’s an app for that!


Bastian Groiss is the director & co-founder of Circadian, an app that helps you achieve a more natural state of health by aligning your daily activities and location with circadian biological timing.


Dr. Anthony Gustin chats with Bastian about his ongoing curiosity with circadian biology. They discuss how different sunlight stages impact everything from our energy levels, moods, and mental performance to modern-day diseases and our overall well-being.


In this episode, you’ll hear about:

  • The evolutionary relationship humans have with sunlight

  • Why it’s almost scientifically impossible to be healthy or happy spending 99% of your day indoors

  • How indoor light (natural vs. artificial) and outdoor light (UVA vs. UVB) affect our bodies

  • Why phasing out incandescent light bulbs may be a mistake

  • The circadian biology way to start your mornings with more energy (sans caffeine) 

  • What an “overdose” of blue light may cause

  • The four circadian cues that optimize our bodies for health and wellness

  • Getting over the comfort crisis


Resources mentioned in this episode: