你有没有注意到你通常得到累,佤邦ke up around the same times every day? That’s called your sleep schedule: Wake up at 7 a.m.; go to bed at 10 p.m. But as you’ve probably learned firsthand, it can be annoyingly easy to interrupt. Stress, travel, kids, a deep Reddit dive on a murder mystery you read about that keeps you up until 1 a.m. (We’ve been there too.) While any small disruption can set your zzz’s off course, learning how to fix your sleep schedule is challenging but totally doable. We askedAndrew Varga, M.D.,a neurologist and sleep medicine specialist at Mount Sinai Hospital in New York, for the best tips for getting our sleep schedule back on track after it’s fallen off the rails.