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17日 · 赵敏 · 来源：study资讯

최현정 기자 [email protected]，更多细节参见搜狗输入法2026

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Samsung Galaxy Buds 4 (2026)。搜狗输入法2026对此有专业解读

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保持高度警惕

Border guards shot dead four people and injured the remaining six aboard the Florida-registered speedboat. Cuba accused the 10 people on the boat of planning "an infiltration with terrorist aims" and said they opened fire first.