Adolescent sleep, school start times, and teen motor vehicle crashes

To assess the effects of delayed high-school start times on sleep and motor vehicle crashes. The sleep habits and motor vehicle crash rates of adolescents from a single, large, county-wide, school district were assessed by questionnaire before and after a 1-hour delay in school start times. Average...

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Bibliographic Details
Published inJournal of clinical sleep medicine Vol. 4; no. 6; pp. 533 - 535
Main Authors Danner, Fred, Phillips, Barbara
Format Journal Article
LanguageEnglish
Published United States American Academy of Sleep Medicine 15.12.2008
Subjects
Accidents, Traffic - statistics & numerical data
Adolescent
Automobile Driving - statistics & numerical data
Data Collection
Female
Humans
Kentucky
Male
New Research
Schools - organization & administration
Sleep - physiology
Time Factors
Kentucky
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Summary:To assess the effects of delayed high-school start times on sleep and motor vehicle crashes. The sleep habits and motor vehicle crash rates of adolescents from a single, large, county-wide, school district were assessed by questionnaire before and after a 1-hour delay in school start times. Average hours of nightly sleep increased and catch-up sleep on weekends decreased. Average crash rates for teen drivers in the study county in the 2 years after the change in school start time dropped 16.5%, compared with the 2 years prior to the change, whereas teen crash rates for the rest of the state increased 7.8% over the same time period. Later school start times may both increase the sleep of adolescents and decrease their risk of motor vehicle crashes.
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ISSN:1550-9389
1550-9397
DOI:10.5664/jcsm.27345