Swollen eyelids in the morning are caused by several reasons: First, the previous night drink more water, the next morning there may be swollen eyelids, because more water, causing edema. Second, allergic reactions cause. Allergies caused by fish, shrimp, crab or drugs eaten the night before may cause swollen eyelids. Third, caused by nephropathy lesions. Because many patients with kidney disease, at first appear edema of the upper limbs, especially the head and face, especially eyelid swelling. If this occurs, in order to exclude whether the cause of kidney disease, it is best to go to the hospital to do an examination to understand the specific condition to avoid delay.