Hi and welcome to Healthcaremagic. Thank you for your query. I am Dr. Rommstein, I understand your concerns and I will try to help you as much as I can. This is symptom of overreactive bladder which is common of women your age and often embarrassing problem. If overreactive bladder affects your daily activities, don t hesitate to see your doctor. It is advisable to empty your bladder prior to sleep. For most people, simple lifestyle changes or medical treatment can ease discomfort. It is treated with specific medications, pelvic floor muscles exercises, electric stimulation of bihevioral treatment and in most cases this is adequate for incontinence control. Cystitis is another possible cause which is bacterial infection and it must be treated with antibiotics but before it you need to do urine analysis and urinoculture. Surgical options are reserved for severe and intractable cases. I hope I have answered you query. If you have any further questions you can contact us in every time.