Kelelahan kerja berdampak besar terhadap kinerja, keselamatan, dan kesehatan tenaga kesehatan rumah sakit. Penelitian ini mengembangkan model sistem manajemen risiko kelelahan berbasis pendekatan kualitatif dan kuantitatif melalui studi literatur, FGD, wawancara, dan observasi. Hasilnya adalah model ICHAFIT (Integrated Collaboration Healthcare Adaptability for Fatigue Intervention and Tracking) dengan lima elemen utama dan strategi pencegahan berbasis data. Terdapat 24 indikator valid dan reliabel untuk menilai implementasinya. Model ini berfungsi sebagai kerangka konseptual dan alat praktis, serta menghasilkan policy brief untuk advokasi kebijakan nasional.

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Work fatigue significantly affects hospital workers' performance, safety, and health. This study developed a fatigue risk management model using qualitative and quantitative approaches through literature review, FGD, interviews, and observations. The result is the ICHAFIT model (Integrated Collaboration Healthcare Adaptability for Fatigue Intervention and Tracking) comprising five key elements and a data-driven prevention strategy). It includes 24 valid and reliable indicators to assess implementation. ICHAFIT serves as both a conceptual framework and practical tool, and also produced a policy brief to support national advocacy for fatigue risk management in hospitals.