Longitudinal evaluation of the impact of the COVID-19-associated confinement on loneliness, anxiety, and sleep in a Japanese population 論文 Shogo Sugiyama・Elisa M. Gallego Hiroyasu・Keishi Nomura・Masamichi J. Hayashi・Yuko Yotsumoto ·2021-12-24 ·『The Japanese journal of psychology』 92(5) pp. 397-407 doi:10.4992/jjpsy.92.20081