Controlled Rest in Position (CRiP) is recognized as an effective fatigue mitigation strategy and has already been adopted by a number of civil aviation authorities around the world, including those in North America, Europe, and parts of Asia. This procedure allows pilots to take short, controlled naps while remaining in their assigned flight position, under specific operational and safety protocols, with the aim of reducing fatigue and maintaining alertness during critical flight phases. Despite the documented safety and performance benefits demonstrated in various international studies and operational trials, Korea has yet to introduce formal regulations or detailed implementation guidelines for CRiP. This study reviews global practices, operational procedures, and regulatory frameworks related to controlled rest, drawing on examples from jurisdictions where the concept has been successfully integrated into commercial aviation. It evaluates their potential applicability to the Korean aviation environment, taking into account local operational conditions, cultural factors, and regulatory structures. The results indicate that, if supported by clear procedures, crew training, and robust safety measures, CRiP could serve as a valuable tool for enhancing pilot alertness, reducing fatigue-related incidents, and ultimately improving overall operational safety in Korea's commercial air transport sector.