If the fracture is mild, you may not wear a belt at night; if the fracture is serious, it is necessary to wear a belt at night. Mild fracture condition is not serious, can be normal activities at night, this situation is generally not mandatory to wear lumbar protection belt, sleep at night will feel comfortable, will not feel bound. But try not to do strenuous exercise, the scope of activities at night should also be small. If the fracture is more serious, it is necessary to wear a belt to protect the waist before surgery, the purpose is to prevent the fracture part of the re-displacement, and is conducive to the recovery of the fracture part. So whether the fracture needs to wear a belt at night, need to be analyzed according to the development of the disease and the severity of the fracture, if you can not assess, it is recommended to consult a doctor in a timely manner, and under the guidance of a professional physician to make judgments.