The early morning starts of most high schools work against teens’ natural sleep patterns. Yet University of Michigan research finds parents are split almost down the middle on whether they support delays in school start times that might permit their 13- to 17-year-olds to sleep later on school days.

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The early morning starts of most high schools work against teens’ natural sleep patterns. Yet University of Michigan research finds parents are split almost down the middle on whether they support delays in school start times that might permit their 13- to 17-year-olds to sleep later on school days.