“…This is not surprising given the COVID-19 pandemic profoundly impacted hospital quality improvement initiatives worldwide due to the need to divert effort and attention to COVID-19 management. 46 We hypothesize that COVID-19 negatively impacted the workflow, making it more difficult for nurses to deliver the sunrise and turn-down interventions, as shown by the overall reduction in fidelty with some workflow components (e.g., blinds up, blinds down, television off and patient awake during the daytime). Additionally, gains in delirium reduction may have been mitigated by the now-known high rates of COVID-19 associated delirium.…”