The phenomenon of cloudy nocturnal urine in men is mostly due to physiological reasons, because the amount of water intake at night is small, the metabolism is gradually slowed down, so the amount of urine formed will be reduced, and the increase in the concentration of urine will lead to the phenomenon of cloudy nocturnal urine. By drinking more water and urinating more often, the color of urine can be changed to clarified and light yellow. In addition, pathological causes can also occur, such as celiac disease patients because of the body’s lymphatic reflux obstruction, lymphatic fluid through the urine out of the body will lead to cloudy urine at night, you can go to the hospital to do celiac disease qualitative examination, help to clarify the condition. Patients with urinary tract infections will have cloudy urine due to the presence of specific pathogens and a large number of inflammatory cells in the urine, so there will also be the phenomenon of cloudy urine, you can go to the hospital to do the urine routine and urine culture tests, which will help to clarify the condition.