Frequent urination in bed at night can be considered nocturnal dysuria and can be associated with physiologic or pathologic factors. Pathologic factors can include urinary tract infections or diabetes and other diseases. 1. Physiological factors: normal human night urination 0 to 2 times, if there is too much water before bed, there will be an increase in nocturnal urination, which is generally a normal physiological phenomenon; uterine enlargement in pregnancy can compress the bladder, can also cause an increase in nocturnal urination. 2. Urinary tract infection: neurogenic bladder, stones or prostate hypertrophy and other risk factors can lead to urinary tract infection, causing cystitis or pyelonephritis, at this time there can be signs of urinary tract irritation, i.e., frequent urination, urinary urgency, urinary pain, and therefore there can be an increase in nocturia. 3. Diabetes: its occurrence can be related to genetic and environmental factors or insulin resistance and other etiological factors, metabolic disorders can occur, there are three more and one less performance, more drinking, more food, more urination and weight loss. There may be other reasons why you have to urinate too much at night, so we recommend that you actively seek medical advice and treatment under the guidance of a professional physician.