Low back pain while sleeping has little to do with kidney. Low back pain caused by kidney disease: First, because of inflammation involving the kidney’s membrane, it will be painful no matter day or night, and the inflammation is not first shown in the lumbar pain, there will be urinary urgency as well as urinary swelling, swelling and other inflammatory manifestations. Second, the kidneys have urinary stones will also cause lumbar pain, but the pain is more intense, occurs suddenly, and has little to do with back pain at night when sleeping. Third, low back pain appears at night when sleeping and muscle tension, fasciitis, lumbar muscle strain, poor posture, herniated discs and joint inflammation are more closely related, muscle tension after daytime exertion, but energy distraction, do not feel low back pain, after resting at night muscle persistent pain will have inflammatory substances accumulate, thus appearing low back pain persistently not relieved, need to go to the regular hospital to check clearly.