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Even if you get to bed early and wake up at the same time every day—as sleep experts advise—there's no guarantee you'll always feel rested. In fact, according to a recent survey from the Better Sleep Council, 82 percent of Americans report sleeping poorly at least once a week, and more than six in ten toss and turn three or more nights out of seven. As a result, the council estimates, we spend $5 billion annually on at least one daily coffee, soda or energy drink just to help keep our eyes open. These easy strategies will help you log more restorative sleep, so you won't need that caffeine buzz.