In most cases, the redness of the eyes after sleeping is acute conjunctivitis, which has an incubation period of about a day, before the eyes may have been uncomfortable, irritated by something dirty, and more likely to appear after a cold. It often starts in one eye and gradually spreads to both eyes. There is no medicine that is too effective, but you will feel more comfortable if you order drops to relieve the symptoms, but eventually it will last for a week before it subsides. Sometimes there is a distinct foreign body sensation in the eyes, but there is no particularly obvious secretion, as the body produces antibodies will slowly subside, if necessary, you can go to the hospital to dispense some symptom relief drops.