The symptoms of sleepiness in the legs are due to the following reasons: 1, more common is due to lumbar disc herniation, sacroiliac arthritis, sciatica, so that the nerve endings of the lower limbs have conduction disorders, resulting in the clinical manifestations of sleepiness and numbness in the legs. 2, the most serious is the problem of neurological function, such as cerebrovascular pathology of a reflex zone in the legs, acute cerebral hemorrhage, stroke, cerebral thrombosis or cerebrovascular accident, will produce the clinical manifestations of numbness and sleepiness in the legs. 3, renal insufficiency or cardiac insufficiency can cause fluid retention in the legs, poor circulation or impaired circulation in the legs, resulting in the clinical symptoms of leg sleepiness. Therefore, if the legs are not relieved within a short period of time, you must go to a regular hospital in a timely manner, improve the relevant examination, and choose the appropriate treatment after clarifying the cause.