摘要: This chapter details the pattern of sleep disturbances associated with chronic medical conditions. It illustrates in architecture manifested by a number conditions as detailed EEG or polysomnography. Sleep are common and abnormal health states may also lead to primary disorders such insomnia, apnea, restless legs syndrome. Disturbances caused pharmaceuticals used management described. Understanding complex interaction between sleep, disease medications have important implications 24/7 approach clinical management.