期刊
SLEEP MEDICINE
卷 16, 期 1, 页码 87-93出版社
ELSEVIER
DOI: 10.1016/j.sleep.2014.09.004
关键词
Sleep disturbance; Short sleep duration; Internet use at night; Adolescents; Academic failure; Cohort study
资金
- Swedish Research Council (Denmark)
- Swedish Brain Research Foundation (Denmark)
- Novo Nordisk Foundation (Denmark)
- Ake Wibergs foundation (Sweden)
- Novo Nordisk Fonden [NNF14OC0009349] Funding Source: researchfish
Objective: To examine associations of self-reported sleep disturbance and short sleep duration with the risk for academic failure. Methods: A cohort of similar to 40,000 adolescents (age range: 12-19 years) who were attending high school grades 7, 9, and 2nd year of upper secondary school in the Swedish Uppsala County were invited to participate in the Life and Health Young Survey (conducted between 2005 and 2011 in Uppsala County, Sweden). In addition to the question how many subjects they failed during the school year (outcome variable), subsamples of adolescents also answered questions related to subjective sleep disturbance (n = 20,026) and habitual sleep duration (n = 4736) (exposure variables). Binary logistic regression analysis was utilized to explore if self-reported sleep disturbances and habitual short sleep duration (defined as less than 7-8 h sleep per night) increase the relative risk to fail subjects during the school year (controlled for possible confounders, e.g. body-mass-index). Results: Adolescents with self-reported sleep disturbances had an increased risk for academic failure (i.e., they failed at least one subject during the school year; OR: boys, 1.68; girls, 2.05, both P < 0.001), compared to adolescents without self-reported sleep disturbances. In addition, adolescents who reported short sleep duration on both working and weekend days were more likely to fail at least one subject at school than those who slept at least 7-8 h per night (OR: boys, 4.1; girls, 5.0, both P < 0.001). Conclusion: Our findings indicate that reports of sleep disturbance and short sleep duration are linked to academic failure in adolescents. Based on our data, causality cannot be established. (C) 2014 The Authors. Published by Elsevier B.V.
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