This report presents an analysis of the case study of Peter Mitchell, a patient with type-2 diabetes, obesity, sleep apnea, and other health complications. It applies the Levett-Jones Clinical Reasoning Cycle, a framework for structuring clinical care, to assess the patient's situation, collect and process information, identify care priorities (overweight condition and uncontrolled diabetes), establish goals (weight loss and lifestyle changes), and take actions to achieve these goals. The report details nursing interventions such as lifestyle modifications, dietary adjustments, exercise programs, and patient education. It also outlines an evaluation process to measure outcomes, including weight change, diabetes control, and mental status. The report concludes by reflecting on the effectiveness of the clinical reasoning cycle in managing this complex case and highlights its systematic approach to clinical scenarios. The report provides a comprehensive plan for managing the patient's health issues, emphasizing the importance of lifestyle changes and patient involvement.