This document discusses the results of a study on 126 pain patients. It found that over 60% of patients reported difficulty sleeping associated with their pain. Around 40% reported lack of energy and drowsiness, while over 30% experienced concentration difficulties and depression. Anxiety and poor appetite were reported in around 20% and 18% of patients respectively. The document also includes a diagram labeling different parts of the brain and nervous system involved in the sensory and affective experience of pain.