Sleep Duration Is Associated with Academic Achievement of Adolescent Girls in Mathematics
Authors Lin L, Somerville G, Boursier J, Santisteban JA, Gruber R
Received 4 November 2019
Accepted for publication 11 January 2020
Published 24 February 2020 Volume 2020:12 Pages 173—182
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Professor Steven A Shea
Lanyi Lin,1 Gail Somerville,2 Johanne Boursier,3 Jose Arturo Santisteban,1 Reut Gruber1,4
1Attention, Behaviour and Sleep Lab, Douglas Mental Health University Institute, Montréal, QC H4H 1R3, Canada; 2Riverside School Board, Saint-Hubert, QC J3Y 0N7, Canada; 3Heritage High School, Riverside School Board, St. Hubert, QC J3Y 3S3, Canada; 4Department of Psychiatry, Faculty of Medicine, McGill University, Montréal, QC H4H 1R3, Canada
Correspondence: Reut Gruber
Douglas Mental Health University Institute, 6875 LaSalle Boulevard, Verdun, Montréal, QC H4H 1R3, Canada
Tel +1 514 761 6131 ext 3476
Fax +1 514 762 3858
Purpose: To examine the associations between objective measures of sleep during the school week and academic achievement in mathematics and languages in typically developing adolescent girls.
Methods: Eighty adolescent girls aged 12– 17 years (M=14.74, SD=1.3) participated. For five consecutive weeknights, sleep was assessed in the home environment using an actigraph. Academic achievement was assessed using report card grades.
Results: Girls who obtained on average less sleep than the recommended amount of 8 to 10 hrs per night had significantly lower grades in mathematics compared to girls who obtained the recommended amount (77.61 vs 86.16, respectively; ηp2=0.11). Hierarchical regression analyses adjusted for age, pubertal status, and socioeconomic status revealed that longer average sleep time was significantly associated with higher grades in mathematics (B=4.78, 95% CI [2.03,7.53]). No significant associations were found between sleep variables and grades in languages.
Conclusion: Longer average weekday sleep duration is associated with academic achievement of adolescent girls in mathematics.
Keywords: actigraphy, adolescence, grades, report card, gender
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