Getting up with red, bloodshot eyes can be caused by lack of sleep, allergic reactions, conjunctivitis and other reasons. 1. Lack of sleep: If you often stay up late at night, or watch electronic products for a long time, resulting in lack of sleep, your eyes will be congested and red when you get up. 2. Allergic reaction: when sleeping due to eye contact with pillowcases, sheets and other supplies such as cotton wool, dust mites, etc., can cause allergic reactions, resulting in getting up with red eyes and congestion, accompanied by itching of the eyes and other symptoms. 3. Conjunctivitis: Infection, immune disease, physical and chemical stimulation and other reasons lead to the dilation of small blood vessels in the conjunctiva, so that the white blood cells to the damaged parts of the aggregation, there will be bloodshot eyes, redness, swelling, photophobia, tearing symptoms. Getting up with red eyes congestion may also have other causes, it is recommended that the patient consult a doctor in time, ask the doctor to clarify the specific causes, and if necessary, carry out the appropriate treatment.