There are various reasons for always getting up in the middle of the night to urinate. Normal people should urinate 0-1 times at night, and more than once is called increased nocturia, which may be physiological or pathological. Physiological reasons, such as drinking more water before going to bed, eating food that is conducive to diuresis, such as watermelon, drinking more beer, etc.. In addition, increased nighttime urination can also occur due to excessive mental stress and poor sleep. Some may also be caused by taking medications, such as drugs containing diuretic ingredients for hypertension. The following are common pathological causes: 1, prostate enlargement is mostly seen in older men, prostatitis is mostly seen in young and middle-aged men, in addition to nocturnal urination, also manifested as poor urination, waiting for urine, urinary weakness, perineal swelling and pain, etc. 2, urinary tract infection, urinary stones, etc., often accompanied by urinary urgency, urinary pain, lumbago, etc. 3, increased nocturnal urination may be the kidney nighttime concentration dysfunction, kidney function It can be seen in people with glomerular diseases, elderly people, etc.