Numbness of the hands while sleeping is a common symptom, the most common cause is the numbness caused by cervical spondylosis, cervical spondylosis has a lot of treatments and manipulative treatments, such as you can often do cervical spine stretching movements or protection of the cervical vertebrae, such as can not be a long time to look down at the cell phone, such as can not be lying on the bed for long periods of time, to keep the cervical vertebrae of the abnormal posture. Overdose of drugs, because nowadays many health care drugs have heavy metal components, these heavy metal components will lead to changes in the peripheral nerves, and produce numbness in the hands and feet. The treatment is to try to avoid taking drugs for a long time, but also oral nutritional peripheral nerve drugs, such as B vitamins and other treatments, and even physical methods, such as often with a bottle of warm water to the hands to do temperature therapy. Sleeping hand numbness should also be alert to the occurrence of cerebral infarction, in addition to having hand numbness, be alert to the eyes have no darkness and blindness, there is no limb movement and other problems. If there are these situations, must immediately seek medical treatment, immediately in the regular general hospital for examination and treatment. Cerebral infarction is a kind of cerebrovascular disease which is often seen by middle-aged and old people nowadays, and the usual manifestation of cerebral infarction is unilateral weakness of hands and feet as well as poor fluency in speech. Once symptoms of cerebral infarction appeared, it is necessary to grasp the time to arrive at the hospital in time for checkup and treatment, because time is very important for the emergence of cerebral infarction as well as the treatment of cerebral infarction. If the patient can arrive at the hospital within one hour, the patient may achieve a very good therapeutic effect according to the current treatment technology. In addition to the prevention of primary diseases, such as hypertension, diabetes mellitus and other risk factors that jeopardize the cerebrovascular system, the treatment of cerebral infarction requires oral blood activating medication, blood lipid control therapy and vascularization therapy, and after the cerebral infarction has occurred, limb rehabilitation training is also required, and the overall comprehensive rehabilitation therapy will enable the patients with cerebral infarction to get a very good recovery effect.