Problem: A 22-year-old man presents at his family's behest for insomnia, reporting he has only slept 2 hours per night for the past 10 days. They also report increased activity and irritability. During the visit, he paces back and forth and speaks in a nonsensical and pressured manner. He also says, "I believe I'm not sleeping because of my supernatural abilities." He has no history of substance use disorder and does not take any medication. What is the most appropriate initial treatment for this patient? A. Lithium B. Zolpidem C. Escitalopram D. Trazodone