Sleeping with the eyes open is abnormal and is known as incomplete lid closure. Normally, the upper and lower eyelids should be completely closed when sleeping, leaving no gap, so as to effectively protect the eyeballs and avoid drying of the corneal and conjunctival tissues of the eye when they are exposed to the air for a long period of time. If you sleep with your eyes open, it means that there is incomplete lid closure, which can easily cause exposure keratitis, causing symptoms such as eye redness, eye pain, photophobia, tearing, etc. In severe cases, it can even lead to corneal infections, which can affect your vision. Patients can apply erythromycin ophthalmic ointment on the eyes before going to bed, covering the surface of the cornea, you can protect the cornea, avoiding the cornea from drying damage. Sleeping with your eyes open, you should consult a doctor in time, follow the doctor’s instructions for treatment and medication, not self-medication.