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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What makes this particularly significant is Google's market position. Despite the rise of alternative AI search tools, Google still processes billions of searches daily and serves as the primary discovery mechanism for most internet users. When Google integrates AI-generated answers into its core search experience, it's not experimenting with a niche feature—it's fundamentally changing how the world's most popular search engine works.