The Proof
The sleep habit that quietly raises your risk of heart disease | Dr Kristen Knutson
New
9 Mar 2026 · 1h 24m
Metabolism & fasting
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About this episode
In this episode, I’m joined by Dr Kristen Knutson to unpack circadian health and how timing influences our metabolism, cardiovascular health, and sleep quality. We discuss the role of morning light, meal timing, exercise, and regularity, and why modern lifestyles often push our biology out of sync. Dr Knutson also clarifies common misconceptions about melatonin, wearable sleep trackers, and what to do if you wake up in the middle of the night and struggle to fall back asleep. What We Cover...