The common reasons why forty women love to get up at night include urinary tract infection, overactive bladder syndrome, and mental factors. 1. Urinary tract infection: various pathogens invade the urethra can cause urinary tract infection, clinical manifestations of urinary frequency, urinary urgency, increased nocturia, but also urinary discomfort, cloudy urine and other symptoms. 2. Overactive bladder syndrome: the occurrence of overactive bladder syndrome in women is related to the abnormality of bladder innervation, and the incidence of postmenopausal women is higher. Clinical manifestations are frequent urination, urinary urgency, increased nocturia, and urinary incontinence in severe cases. 3. Psychological factors: middle-aged women may experience symptoms such as frequent urination and increased nocturia due to mental factors such as excessive stress, anxiety and depression. It may also be caused by other factors, it is recommended that the patient go to the hospital in time to clarify the cause of treatment.