Start school later, sleep longer, learn better: New study shows that flexible school start times can be an effective and practical approach to reducing chronic sleep deprivation and improving adolescents’ mental health and academic performance.

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Риши Сунак и Владимир Зеленский. Фото: Ukranian Presidency / Handout / Anadolu via Getty Images

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Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10150-1