Bonsaksen, T., Price, D., Lamph, G., Kabelenga, I., & Ă˜stertun Geirdal, A. (in press). Sleep problems were unrelated to social media use in the late COVID-19 pandemic phase: A cross-national study. PLOS ONE, 20(1), Article e0318507. https://doi.org/10.1371/journal.pone.0318507