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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While Dorsey noted the layoffs were in part a reaction to overhiring during COVID, they follow AI-driven doomsday anxiety among workers and investors alike: Citrini Research’s “Global Intelligence Crisis” Substack post imagined a scenario in 2028 where unemployment tops 10% and the S&P 500 tanks.