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.

· · 来源：learn资讯

2026-02-26 23:00:00

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Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10121-6

A new transaction is added to the system. It is then relayed to a network of computers located around the world. The computers then solve equations to ensure the authenticity of the transaction.

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