Forty-year-old woman sleepy legs soreness and frequent urination may be related to urinary tract infection, nephritis, diabetes and so on. 1. urinary tract infection: forty-year-old women suffering from urinary tract infection, there will be frequent urination, urinary urgency and other urinary tract irritation, some of the more serious symptoms of the patient may also have leg soreness, fatigue, sleepy and other phenomena. 2. Nephritis: patients with nephritis will have renal function damage, glomerular filtration rate decreases, in addition to frequent urination, urinary urgency and other symptoms, there may also be hematuria, proteinuria, etc., in the long run, the patient will also have leg soreness, fatigue and other symptoms. 3. Diabetes: patients with diabetes will have an increase in urination, when the condition is more serious, there may also be lower limb numbness, soreness, due to the impact of the disease will make the body weaker, easy to sleepy. It is recommended that patients seek timely medical attention, conduct appropriate examinations to clarify the cause, and take appropriate measures under the guidance of the doctor.