“…(2020) have suggested that both anxiety and stress are associated with poor sleep quality in this pandemic, as both anxiety and stress reduce the social capital of sleep quality. Additionally, association between increased stress and lower sleep quality depicted in the present study were found to be consistent with previous studies ( Brand et al., 2011 ; Charles et al., 2011 ; Gerber et al., 2010 ; Murata et al., 2007 ; Sadeh et al., 2004 ; Xu et al., 2016 ). In research higher stress levels have also been associated with worse self-reported health, deterioration of sleep quality, decreased well-being, higher levels of depression, increased disability, and cognitive impairment ( De Beurs et al., 1999 ; Hossain et al., 2019 ; Lynch, 2000 ; Richardson et al., 2010 ; Wilson et al., 2011 ; Wolitzky-Taylor et al., 2010 ; Zhang et al., 2020 ).…”