Pepper can cure insomnia. First consider the efficacy of peppercorns, peppercorns are a Chinese medicine, belonging to the warm medicine, with the efficacy of warm menstruation dispersal of cold. Peppercorns for insomnia, mainly through every night with peppercorn water foot soak, especially after 50 years of age, peppercorns foot soak can be warm and dispersed, can improve blood circulation, because insomnia itself is the early manifestation of insufficient blood supply to the brain and the heart, through warming and dispersal of cold to improve blood circulation, to achieve the relative supply of blood sufficient requirements. Pepper water for insomnia is realized through the external use of foot soak, rather than consuming the role of peppercorns themselves, mainly through the role of external treatment for insomnia.