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.

2026年1月20日 · 张伟 · 来源：dev资讯

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开年「手机大战」

The police investigation matched the crime in its complexity. When detectives in Bedfordshire seized the suspects’ two dozen smartphones, they were faced with a mountain of potential digital evidence – 1.4 terabytes of information, according to the authorities, connecting co-conspirators across eastern England and the Bacau region of Romania.