Sleeping at night with numb toes is not necessarily a disease, may be sleeping in an improper posture caused by, but if long-term sleeping at night with numb toes may be the manifestation of the disease, commonly found in the lumbar intervertebral disc herniation, osteophytes and other diseases. It is recommended to consult a doctor in time, symptomatic treatment. 1. Improper sleeping posture: Improper sleeping posture at night will make the toes under pressure for a long time, which will lead to nerve compression and poor blood circulation, resulting in numbness of the toes at night. 2. Lumbar disc herniation: Lumbar disc herniation stimulates the proprioceptive and tactile nerve fibers, which can cause numbness in the limbs. When sleeping at night, patients usually can’t pay attention to protect the herniated lumbar disc, which is easier to lead to nerve compression, thus causing numbness of toes. 3. Peripheral neuritis: at night when sleeping, peripheral neuritis patients have slow blood flow and low blood pressure, which will lead to insufficient oxygen supply to the peripheral nerves, resulting in numbness of the toes. 4. Cerebrovascular disease: such as cerebral thrombosis, cerebral infarction and other cerebrovascular diseases, can start in a quiet state, found in the morning after waking up from sleep, may be manifested as numbness of the toes, but often there is a side of the limbs of the numbness, weakness. There are many factors that cause numbness of the toes in the night sleep, it is recommended that patients who have not been relieved for a long time or persistent aggravation should seek medical treatment in time, to clarify the cause under the guidance of the doctor, and to treat reasonably.