A US study of college students’ sleeping habits has found that those who were early to bed and early to rise recorded a higher average grade over the course of a year compared to those who regularly stayed up late.
Researchers at Hendrix College tested eighty-nine students, splitting them into three groups – owls (regularly late to bed), larks (regularly early to bed and early to rise) and robins (a combination of both). The owls slept on average 41 minutes less per night than the students in the other two groups, which proved crucial in the results of the study.
At the end of the year, the larks and robins averaged a GPA (grade point average) of 3.18, compared to the owls’ average of 2.84. The study hinted that the early rising culture of college-life was a particular hindrance to the late-night owls, as it forced them to adopt a schedule that they were not suited to.
An earlier academic sleep study, also in the US, revealed that students with good sleep hygiene were particularly good at English, while those who regularly had poor sleep were particularly bad at mathematics.
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