I used to think sitting at my desk all day meant my metabolism basically shut off. Turns out, I was totally wrong. Your body is actually doing way more work than you’d think, even when you’re just ...

I’ll never forget hitting mile 20 of my first marathon, watching my GPS show I’d already burned 2,000+ calories, and thinking “How is that even possible?” That question sent me down a rabbit hole that ...

Most people think sleep is just downtime, but turns out your body is actually pretty busy while you’re sleeping. Your metabolism doesn’t just clock out when you fall asleep – it’s more like switching ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." After a long day, there's no better feeling than hopping into bed and going to sleep. It’s a time to rest ...

On average, a person burns 40–80 calories per hour while sleeping. Your body requires energy for all its functions, from breathing and circulating blood to digesting food and even thinking. This ...