Why You’re Tired All the Time—Even After 8 Hours of Sleep
The secret isn’t just sleep duration. It’s sleep rhythm. Here’s how to sync up with your body’s true beat.
If you’ve ever gotten eight hours of sleep and still felt like a zombie, your problem might not be how much you’re sleeping—but when. According to recent studies, many of us are out of step with our biology’s fundamental rhythms —and our sleep, metabolism, and mood are paying the price.
To get back in sync with our body’s clocks, sleep researcher Olivia Walch offers these tips:
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