“…During COVID-19, feelings that there was inadequate PPE supply at their hospital was associated with worse psychological outcomes [ 107 , 143 , 147 , 157 , 163 , 165 , 170 , 178 , 187 , 188 ]. Physicians working more days, with higher patient volumes, or with increased duties than before than pandemic also had an increased prevalence of psychological symptoms [ 96 , 101 , 122 , 128 , 149 , 187 , 192 , 195 , 198 ]. Eighteen studies reported on insomnia [ 32 , 35 , 36 , 54 , 65 , 69 , 88 , 114 , 128 , 145 , 149 , 163 , 175 , 177 , 181 , 188 , 192 , 194 ], which is associated with psychiatric disorders and is a risk factor for depression and anxiety [ 15 , 32 , 54 , 65 , 69 , 199 , 200 ].…”