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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Health Secretary Wes Streeting has promised to act on her final recommendations, which will be published in June.

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Nvidia has been scrutinised by investors who worry about its ever-expanding web of deals with other companies.

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Sir Keir has often spoken about how as a parent of two teenage children he has first-hand experience of the dangers of social media for young people.