Delaying school start time can result in sustained benefits on sleep duration, daytime alertness, and mental well-being even within a culture where trading sleep for academic success is widespread, based on a study of 375 students in grades 7–10 from an all-girls’ secondary school in Singapore.

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Delaying school start time can result in sustained benefits on sleep duration, daytime alertness, and mental well-being even within a culture where trading sleep for academic success is widespread, based on a study of 375 students in grades 7–10 from an all-girls’ secondary school in Singapore.