Emergency Department (ED) and Intensive Care Unit (ICU) nursing are widely cited as the most stressful roles within the profession due to the high-acuity patient loads, life-or-death decision-making timelines, and intense emotional trauma experienced daily. Nurses in these critical care environments must constantly manage crashing patients, aggressive behaviors, severe understaffing, and unpredictable workloads that push physical and psychological resilience to the limit. Other notoriously high-stress environments include oncology units, psychiatric and behavioral health wards, and medical-surgical floors burdened by excessively high patient-to-nurse ratios and relentless administrative demands.