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Montgomery County Public Schools (MCPS)
Reply to "MCPS HS Start-times need to be changed"
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[quote=Anonymous]Adolescents internal clocks conflict with high school start times. Studies have proven that adolescents have trouble staying awake in early classes because of their biological clocks, not lethargy or lack of parental discretion. Housed in the hypothalamus, the biological clock is composed of 10,000 cells which control when one sleeps. Researchers have found that adolescents biological clocks typically keeps teens awake until at least 11 pm.[/quote]
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