This Evidence-Based Practice Report focuses on the clinical problem of long working hours in nursing, exploring its impact on patient safety and nurse well-being. The report begins with a literature search strategy and a clinical question addressing whether normal working hours improve patient outcomes compared to long hours. It then presents five articles, analyzing their methodologies, findings, and conclusions. Article summaries cover studies on scheduling, overtime, and work preferences, adverse effects on nurses, injuries related to long hours and insomnia, and the impact of working hours on nurses' health and patient safety culture. The report synthesizes these findings, highlighting the negative consequences of extended work hours, including increased burnout, patient dissatisfaction, and potential health risks for nurses, emphasizing the need for regulated working hours to ensure quality patient care and a safe healthcare environment. The report concludes by summarizing the key findings, emphasizing the need for interventions to address the issue of long working hours within nursing practice.