Sleeping half of the body numbness is first considered to be cerebrovascular disease, can be seen in hemorrhagic cerebrovascular disease, can also be seen in ischemic cerebrovascular disease, clinically ischemic cerebrovascular disease is common, that is, the common people say cerebral infarction. 1, for cerebral infarction patients can appear in the partial body of the numbness, weakness, can at the same time accompanied by speech stupidity, dizziness, headache and other neurological deficits in the symptom, you can check the CT or MRI to confirm the diagnosis of cerebrovascular disease, and can be used to diagnose the disease. The diagnosis can be confirmed by head CT or nuclear magnetic examination. In the acute stage, patients can be given anti-platelet aggregation, improve circulation, brain protection and other symptomatic treatments, if there are sequelae of the later stage can be rehabilitative treatment. 2, sleep half body numbness can also be considered to be due to half of the body is under pressure for a long time, there is a lack of blood circulation, the patient appeared to the numbness, for this kind of pressure after the blood circulation is not smooth numbness, after activities or massage can be relieved, cerebrovascular disease appeared to the numbness, the cerebrovascular disease can be relieved. Cerebrovascular disease half of the body numbness, activity will not be relieved.