Researchers at McGill University and the Douglas Mental Health University found a link between sleep efficiency (quality of sleep) and academic performance in math and languages. Controlling for variables like socio-economic status of the parents, the researchers studied 75 children between 7 and 11 years old. The results showed a significant performance variable related to a good night’s sleep: 7% for English, 8% for French and 14% for math.
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麥基爾大學和道格拉斯心理健康大學的研究人員發現，睡眠效率（睡眠質素）與數學和語文方面的學業成績有關。研究以75名7至11歲的兒童為對象，並剔除了家長社經地位等因素。 結果顯示，充足的睡眠對學習表現有顯著的影響，對以下學科的影響度分別如下︰英文7%、法語8％及數學14％。
