Daylight Saving Time ends this weekend, and I’ll admit: I’m not a fan of the early sunsets that come with it. Darkness falling at 5 p.m. makes me feel like the evening is over before it begins. But as much as I dislike the seasonal time change, it’s a perfect reminder of how powerfully light and darkness set our internal clocks — and why sleep deserves the same priority as the other two pillars of wellness: nutrition and exercise.

Recently, I interviewed one of my favorite sleep experts, Erin Hanlon, Ph.D. a research associate professor at the University of Chicago, for my FUELED Wellness + Nutrition podcast. Dr. Hanlon studies how sleep and circadian rhythms affect everything from cravings and glucose control to weight and even kidney health.

“Our sleep needs vary person to person,” she

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