Bedtime routines may not be popular among little ones, but they pay off, for the brain and body. A recent study showed that 7-year-olds with consistent bedtimes tested better in reading, math and spatial comprehension, versus kids with sudden changes in bedtimes. If your kid has been spending summer going to bed and waking up late, you'd better start easing him back to a school-appropriate sleep schedule. The earlier you start, the easier it is. Learn how!