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: Psychiatry
Modafinil is used for the treatment of ? 
Select and explain. 
A. Narcolepsy, B. Sexual dysfunction, C. Depression, D. Anxiety
A: Narcolepsy
Answer: A: Narcolepsy 
Explanation: Ans. A. NarcolepsyModafinil is a wakefulness-promoting agent (or eugeroic) used for treatment of disorders such as narcolepsy,shift work sleep disorder, and excessive daytime sleepiness associated with obstructive sleep apnea'