From a recent New York Times article: "Surveys conducted by the National Sleep Foundation reveal that teenagers are getting nowhere near nine hours of sleep a night. The average weeknight sleep duration for 13-year-olds hovers around 7 hours 42 minutes and decreases to 7 hours 4 minutes in 19-year-olds. And if you think your teenagers are getting enough sleep, think again. Ninety percent of parents say they believe their children are getting sufficient sleep, and yet when asked, 60 percent of teenagers report extreme daytime sleepiness."
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