“Snooze or Lose” is an article that every parent should read because kids need their sleep or their cognitive ability may get set back for years. Here’s the key sentence: “A few scientists theorize that sleep problems during formative years can cause permanent changes in a child’s brain structure: damage that one can’t sleep off like a hangover. It’s even possible that many of the hallmark characteristics of being a tweener and teen—moodiness, depression, and even binge eating—are actually symptoms of chronic sleep deprivation.”