Why We Sleep with Matthew Walker

Why do we reach for sweet food when we’re stressed? Are zero-sugar sweeteners actually better for our health? And can digestive enzymes really help if dairy doesn’t agree with you? This week, we unpack stress eating in busy seasons of life, the science behind low and zero-sugar s ...  Show more

Does collagen actually do anything for your skin? Which diets are linked to lower cancer risk? Is mental health really declining in younger generations, and have we surpassed peak wellness as we head into 2026? This week we break down collagen hype versus reality, the largest die ...  Show more

Improving the quality of our sleep is arguably the single most effective thing that we can do to reset our brains and recharge our bodies, yet many of us just aren’t getting enough. But what is the optimal amount of sleep and what can we do if we struggle to get enough? I’m delig ...  Show more

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“The more logical you are in your approach to your sleep, the more you’re going to screw it up,” says sleep specialist Rafael Pelayo, MD. Pelayo is a clinical professor of psychiatry and behavioral sciences at the Stanford Center for Sleep Sciences and Medicine and the author of ...  Show more

You know how important sleep is just from the personal experience of making it through the day after a bad night’s sleep. But what if you were told that sleep was the single most important thing you could do for your physical and mental health? It affects everything from your sex ...  Show more