Most night shift workers are fixing their sleep wrong. Here’s what actually works, according to the latest research.

Long flights play tricks with your internal clock in ways that make you hazy, tired, and out of sync with the world. Your body believes it’s 3 AM when the sun is hot, or you’re awake at midnight, ...

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A new book explores what makes our internal clocks tick and how we can reset them for the better. Science journalist Lynee Peeples spoke with some 240 scientists, chronobiologists, athletes, ...