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. 2020 Sep 8;14:909. doi: 10.3389/fnins.2020.00909

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Copyright © 2020 Sun, Liu, Wei, Wu, Lin, Wen and Jia.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Sleep-restricted rats displayed increased weight gain and food intake. (A) Differences in body weight gain between the two groups after sleep restriction for 4 weeks. (B) Differences in food intake between the two groups after sleep restriction for 4 weeks. (C) Differences in drinking water intake between the two groups after sleep restriction for 4 weeks. Data were expressed as the mean ± SD. Repeated-measures analysis of variance (ANOVA) was used to compare food intake and weight gain. Significant differences were defined as *p < 0.05; n = 7 rats/group vs. control group. SR, sleep restriction group; CON, control group.