[Verified Answer]: A 28-year-old patient presents with…

A 28-year-old patient presents with difficulty sleeping, daytime fatigue, frequent headaches (3–4 times per week), and intermittent upper shoulder pain for the past 5 months. Symptoms began shortly after the end of a 7-year relationship. The patient reports temporary relief with Tylenol or Motrin. Based on this presentation, what is the most likely underlying cause of the symptoms? Migraine headaches Sleep apnea Generalized anxiety disorder Depression