A vast and growing body of research shows that when we get good sleep, good things happen inside our bodies. When we don't get good sleep, though, the opposite can occur, with poor sleep linked to all kinds of health problems. In a first-of-its-kind study published in the Journal of Political Economy, researchers set out to test that question, and discovered a way to influence college students that not only boosted their sleep but also their college grades. "To our knowledge, this is the first field experiment to show that improving sleep causally improves academic performance." "First, could a simple behavioral intervention help students develop healthier and more persistent sleep habits?