This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'Modafinil is used as an adjunct in the treatment of? (DNB 2012-section-1) \nSelect and explain. \nA. Sleep apnea syndrome, B. Narcolepsy, C. ADHD, D. Shift work disorder', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. (a) Sleep apnea syndrome Ref'.Harrison's 18/e, ch 27 Sleep apnea syndrome-Modafinil is used as an adjunct Narcolepsy- Modafinil is drug of choice", 'role': 'assistant'}]