Sleep and wake up with red eyes. What happened?

Acute conjunctivitis is mainly caused by bacterial infection. It can be induced by staying up late or fatigue with the eyes. It can be manifested as local foreign body sensation, increased eye droppings, severe eyelid swelling, etc., which can be diagnosed by slit lamp examination. Antibiotic eye drops are recommended for treatment to prevent spicy food and fatigue with the eyes. Allergies can cause eye congestion, mainly after exposure to allergens, symptoms worsen, need to be removed from allergens in time and treated with anti-allergic drugs.