Most U.S. middle and high schools start the school day too early
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Most U.S. middle and high schools start the school day too early

Filetype[PDF-1.15 MB]


  • English
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    Details:

    • Corporate Authors:
      Centers for Disease Control and Prevention (U.S.)
    • Description:
      5 out of 6 U.S. middle and high schools start the school day before 8:30 AM

      The American Academy of Pediatrics has recommended that middle and high schools should aim to start no earlier than 8:30 AM to enable students to get adequate sleep.

      Teens need at least 8 hours of sleep per night.

      Younger students need at least 9 hours.

      2 out of 3 U.S. high school students sleep less than 8 hours on school nights

      Adolescents who do not get enough sleep are more likely to:

      • be overweight

      • not exercise daily

      • sufferr from depressive symptoms

      • engage in unhealthy risk behaviors such as drinking, smoking, tobacco, and using illicit drugs

      • perform poorly in school

      Infographic issued in association with: Wheaton AG, Ferro GA, Croft JB. School start times for middle school and high school students — United States, 2011–12 school year. MMWR Morb Mortal Wkly Rep. 2015 Aug 7;64(30):809-813.

    • Subject:
    • Document Type:
      Poster
    • Genre:
      Infographic
    • Place as Subject:
      United States
    • Collection(s):
      Stephen B. Thacker CDC Library collection
    • Main Document Checksum:
    • File Type:

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