Short sleep duration and longer daytime napping are associated with non-alcoholic fatty liver disease in Chinese adults. - Peng, Kui; Lin, Lin; Wang, Zhengyi; Ding, Lin; Huang, Ya; Wang, Po; Xu, Yu; Lu, Jieli; Xu, Min; Bi, Yufang; Wang, Weiqing; Chen, Yuhong; et al. (Journal of Diabetes, 2017)