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：user资讯

This month Ofgem, the UK's energy market regulator, said a surge in demand for grid connections last year had been "driven by the rapid growth" of data centres.

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飞檐翘角、灯笼高挂，中国传统风格装饰的市集里一片热闹喜庆，中沙两国文化、艺术与美食同场呈现。日前，由中国文化和旅游部与沙特文化部联合举办的“文化市集”活动在沙特首都利雅得举办，吸引众多观众。

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