“Many lab studies across all ages have demonstrated that naps can show the same magnitude of improvement as a full night of sleep on discrete cognitive tasks,” said Sara Mednick, from UC Irvine. “Here, we had the chance to ask real-world, adolescent schoolchildren questions across a wide range of behavioural, academic, social, and physiological measures,” said Mednick. “The more students sleep during the day, the greater the benefit of naps on many of these measures,” she said.

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