Lying down at night dry eyes stand up to relieve may be caused by fatigue eye, or dry eye, conjunctivitis and other diseases. 1. Eye fatigue: If you lie down at night when excessive use of electronic products, resulting in excessive eye fatigue, it is easy to appear dry eyes. If you get up and stop using your eyes excessively, you can relieve dry eyes. 2. Dry eyes: the occurrence of this disease is related to insufficient tear secretion, abnormal tear composition, excessive tear evaporation and other reasons, including abnormal estrogen levels, long-term lack of vitamin A, air pollution and other factors. Usually the patient’s eyes will have symptoms such as foreign body sensation, dryness, burning sensation, and some patients will have dry eyes. 3. Conjunctivitis: the causes of this disease include microbial infections, immunopathology, chemical substances and physical stimulation, eye tumors, tear duct blockage, etc. It can be induced by wearing contact lenses, poor hand hygiene, staying up all night and other factors, resulting in patients with redness of the eyes, dryness, itching and other symptoms. It is recommended that patients with dry eyes that are relieved by lying down and standing up at night go to the hospital for consultation to clarify the specific cause and treat the cause.