Waking up with eye boogers in your eyes can be caused by physiological reasons, eye allergies, conjunctivitis, keratitis and other reasons. 1. Physiological reasons: no blinking action at night when you sleep, and the eyes themselves normally produce oil secretions, will accumulate in the corner of the eye position, appearing to wake up to the situation of eye boogers sticking to the eyes. 2. Eye allergy: dust in the air, pollen and other allergens may cause eye allergies, resulting in increased eye secretions, appearing to wake up with eye boogers in the eyes, also accompanied by itching symptoms. 3. Conjunctivitis: when viruses, bacteria and other pathogenic microorganisms infect the conjunctiva, infective conjunctivitis can occur, causing increased secretion, resulting in waking up with eye boogers in the eyes. 4. Keratitis: If the patient suffers from keratitis, eye pain, photophobia, tearing and other symptoms, but also cause eye secretion increase, the phenomenon of waking up with eye boogers. The patient woke up with eye droppings to paste the eyes to exclude physiological causes, should go to the hospital in time, clear cause of the disease and follow the doctor’s instructions for treatment.