A bedtime story is a longtime tradition. What about a math, science or history quiz, though? George Marks/Getty Images hide caption

toggle caption George Marks/Getty Images

Ashley Milne-Tyte reporting for 'Morning Edition'

  • Download
  • <iframe src="https://www.npr.org/player/embed/157644743/157645041" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">