Usually, sleepy legs are caused by the following factors: 1, often due to cardiac insufficiency or renal insufficiency and fluid retention in the legs resulting in poor leg circulation and leg microcirculation disorders, thus producing clinical symptoms and manifestations of sleepy legs. 2, often due to orthopedic diseases, such as lumbar disc herniation and lumbar disc bulge, sacroiliac arthritis, sciatica and other conditions can cause peripheral nerve disorders in the lower extremities, thus 3, neurological problems, such as cerebrovascular disease, a reflex zone in the legs, acute cerebral thrombosis, acute cerebral hemorrhage, acute stroke, cerebrovascular accident, will also appear in the legs of numbness, sleepy clinical symptoms and performance.