START SCHOOL LATER
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Sleep Calculator

Is going to bed earlier the solution to teen sleep deprivation? The calculations provided below suggest that might be easier said than done. Visit Sleep Foundation's calculator (click here or on yellow button, below) for yourself to see what time you would need to be in bed to get the sleep you need. 
Sleep Calculator
Picture
What teenager will be able to go to bed at 8:45pm?? School schedules are not built for the sleep needs of teens.

Average sleep debt per night
Hours
Average sleep debt per year per student
Hours
Remember! You can't just make up a sleep debt by catching up on sleep, so sleep binges on weekends don't help!
Average number of sleep hours gained when healthy start times are implemented
hours per year

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Start School Later, Inc. 
574E Ritchie Highway #164
Severna Park, MD 21146


All Rights Reserved © 2026
  • About Us ⮟
    • Mission and Goals
    • Who We Are >
      • Board of Directors
      • National Team
      • Advisory Board
      • Coalition Partners
    • Annual Report
    • Local Chapters
    • 990
  • What We Do ⮟
    • Community Guidance
    • Sleep Health Education >
      • Sleep Education >
        • Let's Sleep!
        • Sleep 101 - College
        • Sleep Calculator
        • Workshops and Webinars
    • Implementation Consulting
    • Advocacy and Awareness >
      • Legislation
      • Sign Our Petition
  • Teen Stories
  • Learn More ⮟
    • School Start Times >
      • Why Change?
      • Wake Up Calls (Fast Facts)
      • Key Position Statements
      • Success Stories
      • Legislation
      • Myths and Misconceptions
    • Legislation
    • SSL News >
      • Press Releases
      • Newsletters
      • Blog
    • National Conference 2024
    • Bookstore
    • Videos
    • Flyers, Posters, Videos, etc.
    • Reference and Resource List
  • Get Involved ⮟
    • Find a Local Chapter
    • Donate
    • Sign Up for E-news
    • Sign our Petition