Whether or not it is normal to have white deposits in the urine after a night’s sitting needs to be considered in conjunction with the clinical symptoms. A small amount of sediment, no urinary condition is abnormal, is a common physiological phenomenon; sediment amount is relatively large, and there is obvious urinary discomfort performance is abnormal. Normal human urine itself contains some impurities, urine placed, with the impurities will have a small amount of white sediment precipitation, is a normal phenomenon. But the obvious discomfort of urination, body edema and other symptoms, excessive urine sediment, is not normal phenomenon, the causes of the corresponding conditions mainly include urinary tract infections and renal function abnormalities. Appearance of obvious urine sediment and have frequent urination, urinary pain and edema and other symptoms, need to timely hospitalization, after diagnosis of the condition, under the guidance of the clinician for standardized treatment, to avoid causing delays in the condition.