Zhang, L.; Li, T.; Chen, L.; Wu, F.; Xia, W.; Huang, M.; Guo, Z.; Song, L.; Yin, H.; Zhang, Y. Association of Sleep Quality before and After SARS-CoV-2 Infection With Clinical Outcomes in Hospitalized Patients With COVID-19 in China. EXCLI J. 2021, 20, 894-906.