Introduction: Sleep is a vital component of overall health, influencing various physiological and psychological functions. Insufficient or poor-quality sleep has been associated with numerous health problems. Nurses, as health-care providers, play a crucial role in understanding and managing sleep disorders. To address the knowledge gap among healthcare professionals regarding sleep disorders, an advanced training program was implemented.Aim: The study aimed to assess the impact of an advanced training program on the nursing officers’ knowledge regarding sleep disorders and their management.Materials and Methods: Apre-test, post-test design was employed among 400 nursing officers in a government hospital in Dahod, India. A questionnaire was used to check knowledge levels before and after the intervention. Post-test was conducted after 7 days.Results: Significant improvement was observed in nursing officers’ knowledge of sleep disorders after intervention. The paired t-test revealed a significant improvement in the cognizance scores of nursing officers following the advanced training program, with a t-value of 89.79 (t(df) = 399; P < 0.05), increasing from a pre-test mean of 44.54 to a post-test mean of 73.77. The educational program effectively enhanced understanding across various aspects of sleep disorders, including prevention and management strategies. Pre-test cognizance scores did not have a significant association with demographic factors including age, gender, or level of education.Conclusion: The study concludes that the advanced training program was successful in increasing nursing officers’ knowledge about sleep disorders. This enhanced knowledge base can contribute to improved patient care and outcomes.