Sleep and daytime problems during the COVID-19 pandemic and effects of coronavirus infection, confinement and financial suffering: a multinational survey using a harmonised questionnaire.
Markku PartinenBrigitte HolzingerCharles M MorinColin EspieFrances F ChungThomas PenzelChristian BenedictCourtney J BolstadJonathan CedernaesRachel Ngan Yin ChanYves DauvilliersLuigi De GennaroFang HanYuichi InoueKentaro MatsuiDamien LegerAna Suely CunhaIlona MerikantoSergio Mota-RolimMichael NadorffGiuseppe PlazziJules SchneiderMariusz SieminskiYun-Kwok WingBjørn BjorvatnPublished in: BMJ open (2021)
Sleep problems, fatigue and excessive sleepiness increased significantly worldwide during the first phase of the COVID-19 pandemic. Problems were associated with confinement and especially with financial suffering.