The common causes of facial swelling in the morning: 1, physiological reasons, such as eating something particularly salty will appear after the water sodium storage caused by facial swelling, the night before after staying up late led to the next day the metabolic rate decreased facial swelling. For example, if you drink too much water before going to bed the night before and do not urinate in time, you will wake up with a swollen face. 2. Pathological factors can lead to a swollen face, such as common kidney disease, when patients with kidney disease often have a swollen face in the morning, which is related to the sodium retention and hypoproteinemia caused by kidney disease. A routine urine test may reveal the presence of urinary occult blood and urinary protein. Patients with liver disease often have swollen faces, and patients with liver disease may have swollen faces due to cirrhosis, hepatic ascites, or reduced protein synthesis in the liver. 3, heart disease, patients with heart failure often have panic attacks, chest tightness, difficulty breathing, and generalized swelling.