Attending Physician. Specializes in the comprehensive diagnosis and treatment of sleep problems, psychosomatic and emotional disorders using medication, psychological, and behavioral therapies. Has long-term engagement in cognitive behavioral therapy for insomnia and science popularization. Graduated from the 8-year clinical medicine program at Peking Union Medical College with a doctoral degree. After graduating in 2004, worked in the Emergency Department of Peking Union Medical College Hospital, receiving standardized clinical training in internal medicine, followed by advanced clinical training in psychiatry, pharmacotherapy, and psychotherapy. Since 2006, has been working in the Department of Psychological Medicine at Peking Union Medical College Hospital and is currently a senior attending physician.