Chronic short sleep duration is associated with an increase in several risk factors, and with an increase in the relative risk for multiple-cause mortality. There is a consensus that adults should sleep between 7–9 hours per day. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.Ĭompeting interests: The authors have declared that no competing interests exist. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.ĭata Availability: Data are available from the project Open Science Framework database ( ).įunding: IE was supported by a 2020-2023 Scholarship from Comisión Académica de Posgrado, Universidad de la República, Uruguay. Received: JAccepted: FebruPublished: March 10, 2021Ĭopyright: © 2021 Estevan et al. PLoS ONE 16(3):Įditor: Mohammed Saqr, KTH Royal Institute of Technology, SWEDEN In addition, educational policies should include information for students about the impact of sleep on learning and of the consequences of reduced sleep duration.Ĭitation: Estevan I, Sardi R, Tejera AC, Silva A, Tassino B (2021) Should I study or should I go (to sleep)? The influence of test schedule on the sleep behavior of undergraduates and its association with performance. Delaying test start time may prevent the reduction in sleep duration, which may also improve school performance. Using logit regressions, we confirmed that sleep duration was positively related to test scores in both samples (survey #1: exp B = 1.15, p < 0.001 pseudo- R 2 = 0.38 survey #2: exp B = 1.03, p < 0.001 pseudo- R 2 = 0.25). In survey 2, sleep duration increased in later shifts ( F (3,248) = 4.6, p = 0.004). In both samples, the sleep duration of the night before the test was reduced with respect to regular nights (survey #1: 2.1 ± 0.2 h, p < 0.001 survey #2: between 1.7 ± 0.4 h and 3.6 ± 0.3 h, all p < 0.001), with more than 10% of the students who did not sleep at all. More than 1/2 of the participants (survey #1) and almost 1/3 (survey #2) reported short regular sleep duration (< 7h). We ran two surveys in freshman students of the Universidad de la República, Montevideo, Uruguay: 1) 97 students of the School of Sciences who took the test at the same time and 2) 252 School of Psychology students who took the test in four successive shifts. We explored the influence of having a school test on previous night sleep in first-year students and the association of sleep duration and test performance. Scholar demands are among the causes of observed sleep deprivation in youth. ![]() Although recommended sleep duration is between 7–9 hours per day, many students do not sleep that much. Sleep is crucial for college students’ well-being.
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