Scientists Found the Best Workout to Do If You Want to Sleep Better

After a brutal hot yoga class—mat-soaked, muscles done, head finally clear—I’ve always left with the sense that whatever’s coming tonight, sleep won’t be a problem. I’ll be dead to the world as soon as I hit the pillow. Recently, researchers at Harbin Sport University pooled data from 30 randomized controlled trials involving over 2,500 people…