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As the hours of sleep decrease for students, so do their grades.

Academic Performance and Correlation to Sleep

February 28, 2022

While mental and physical health remain a priority in analyzing the impact of sleep on students, academic performance is also negatively affected by lack of sleep.

In the 2018 survey, 58% of students reported that they felt they have received lower grades due to lack of sleep. Denny echoes this sentiment presenting the dilemma she faces. 

“Certain nights this year, I have prioritized my sleep over studying for a test the next day or completing an assignment,” Denny said. “This seems to negatively impact my grades which leaves me with a difficult choice of getting a good grade or giving myself the sleep my body and brain need.”

In Lin et. al’s study analyzing sleep duration’s association with academic achievement, particularly in mathematics, they found that students who got less than the recommended 8-10 hours of sleep per night got lower grades than those who got the recommended amount. 

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