The baby sleeps always rubbing the eyes, may be a foreign body into the eye or conjunctivitis, inverted eyelashes and other diseases. 1. foreign body into the eye: baby sleep always rubbing eyes is mainly caused by eye discomfort, if there is dust, hair and other foreign objects into the baby’s eyes, the child appears to have a foreign body sensation in the eyes, itching and other discomforts, then there can be a frequent rubbing of the eyes. 2. Conjunctivitis: Conjunctivitis is an inflammatory disease that occurs in the conjunctival tissue, the cause of which includes infections, immune abnormalities, etc., and the child will experience conjunctival congestion, edema, itching, and increased secretions and other symptoms of discomfort. Due to the itchy eyes, children will always rub their eyes even when they are sleeping. 3. Inverted eyelashes: Inverted eyelashes refer to the state in which the patient’s eyelashes grow backward toward the eyeball, thus irritating the eye surface tissue, the child will experience tearing, photophobia, foreign body sensation and other uncomfortable symptoms, which can cause the baby always rubbing his eyes while sleeping. It is recommended that children with frequent eye rubbing should seek prompt medical attention to assess their condition and follow the doctor’s instructions for treatment.