Back on the podcast, today is sleep, nutrition, and metabolism expert, Greg Potter, PhD. Through his academic research, public speaking, consulting and writing, Greg empowers people to make simple and sustainable lifestyle changes that add years to their lives and life to their years. His work has been featured in dozens of international media outlets, including Reuters, TIME, and The Washington Post, and he regularly contributes to popular websites, blogs, and podcasts.
In this podcast, Greg is talking about light, including the importance of getting out in the sun and also modern problems with artificial light. He discusses the impact of light on the circadian system along with up-to-date recommendations related to light hygiene. We discuss practical tips for reducing light at night (not all of which involve putting away your device), and why not getting the right kind of light might be keeping you from achieving your body composition goals.
Here’s the outline of this episode with Greg Potter:
[00:02:14] Wellics Corporate Wellness Software.
[00:06:49] The importance of light.
[00:08:30] The introduction of electric light.
[00:09:55] myLuxRecorder (Satchin Panda's app, no longer available); Podcast: How to Use Time-Restricted Eating to Reverse Disease and Optimize Health, with Satchin Panda.
[00:10:37] How light influences the circadian system.
[00:15:34] Consensus paper with recommendations related to light hygiene; Study: Brown, Timothy M., et al. "Recommendations for daytime, evening, and nighttime indoor light exposure to best support physiology, sleep, and wakefulness in healthy adults." PLoS biology 20.3 (2022): e3001571.
[00:19:13] Practical tips for reducing light at night.
[00:22:44] Increasing prevalence of myopia.
[00:23:46] Podcast: Getting Stronger, with Todd Becker.
[00:26:01] Vitamin D synthesis; Podcast: The Pleiotropic Effects of Sunlight, with Megan Hall.
[00:26:15] Effects of light on mood and cognition.
[00:27:24] Effect of light exposure patterns on cognitive performance; Study: Grant, Leilah K., et al. "Daytime exposure to short wavelength-enriched light improves cognitive performan
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