Your skin is not just reacting to products, food, or hormones. It is also reacting to time. Dr. Stacy Shillington sits down with circadian light expert Rudy Nassif to explain why the skin is a clock-regulated organ and how the light entering your eyes can quietly drive acne, inflammation, poor sleep, and that wired-at-night, groggy-in-the-morning feeling.

Rudy shares his personal turning point after years of fatigue, depression, and feeling “broken,” followed by a dramatic shift living with natural daylight and real darkness on an off-grid farm. From there, we break down the fundamentals of circadian rhythm: morning sunlight helps set the brain’s central clock, and darkness after sunset allows melatonin to rise. We also talk about why melatonin is more than a sleep hormone, how blue and green light at night can disrupt your repair biology fast, and why “eight hours” of sleep is not always equal.

We go deeper into mitochondria, energy, and the idea that modern indoor lighting can stress the system that powers healing and skin renewal. You will also hear practical strategies for building sunlight resilience safely, including how to use sunrise, sunset, and solar noon, plus what to do in winter when sunlight is limited. We wrap with Rudy’s approach to daytime, evening, and nighttime lenses to manage artificial light, along with simple bedroom rules to protect sleep quality.

If you want clearer skin, better sleep, and steadier energy, start with the environment you live in every day. Subscribe, share this with a friend who struggles with sleep or breakouts, and leave a review so more people can find the show.

Interested in a pair of Vivaray glasses to manage your circadian rhythm (I love the DUSK style - they look so cool!)?

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