__________a disorder characterized by persistent and unexplained fatigue resulting in severe impairment in daily functioning. Name two of the additional symptoms of this syndrome

Chronic Fatigue Syndrome (CFS), Additional Symptoms: pain, cognitive dysfunction, unrefreshing sleep, headache, sore throat, tender lymph nodes, muscle aches, joint aches, feverishness, difficulty sleeping, psychiatric problems, allergies, and abdominal cramps. Impaired memory