Earlier and more sleep linked to better test performance |
Researchers at the University of Cambridge and Fudan University in Shanghai have found that young people who go to sleep earlier, and who sleep for longer, tend to have better brain function and perform better in cognitive tests. The study, which tracked the sleep patterns of more than 3,000 adolescents, found that the 37% of young people who tended to go to bed and fall asleep earliest performed best in tests involving vocabulary, reading, problem solving and focus. Cambridge professor Barbara Sahakian said: "Even though the differences in the amount of sleep that each group got was relatively small, at just over a quarter-of-an-hour between the best and worst sleepers, we could still see differences in brain structure and activity and in how well they did at tasks." |
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