Circadian Rhythms: Why Teens Are Tired in School

The video explains the circadian rhythm, a natural body cycle influenced by light and chemicals like melatonin, cortisol, and adenosine. It highlights how adolescents experience a delayed sleep phase, leading to sleep deprivation and its negative effects on memory, emotions, and health. The video suggests adapting school start times to align with teenagers' natural rhythms, as demonstrated by Seattle Public Schools, which improved students' sleep and well-being.

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