[This corrects the article DOI: 10.3389/fpsyt.2022.898600.].
Keywords: COVID-19; Japan; bipolar disorder; coronavirus disease 2019; delayed sleep-wake phase disorder; depression; social zeitgeber; state of emergency.
Copyright © 2023 Otsuki, Matsui, Yoshiike, Nagao, Utsumi, Tsuru, Ayabe, Hazumi, Fukumizu and Kuriyama.