This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Seedatives & Hyponotics, Subject name: Pharmacology
[{'content': 'Modafinil is used as an adjunct in the treatment of? \nSelect and explain. \nA. Sleep apnea syndrome, B. Narcolepsy, C. ADHD, D. Shift work disorder', 'role': 'user'}, {'content': "Answer: A \nExplanation: ANSWER: (A) Sleep apnea syndrome REF: Harrison's 18th ed ch: 27FDA approved indications of modahnil:Drug of choice: Narcolepsy and shift work disorderAdjunctive treatment of sleep apnea syndromeOff label uses (where use is doubtful)ADHDDepressionBipolar disorderFatigueDepersonalisation disorderCognitive enhancement", 'role': 'assistant'}]