red eye

/ˈrɛdˌaɪ/
adjective
  1. Relating to a late-night or overnight flight.
    • He prefers red-eye travel to avoid daytime crowds.
    • We caught the red-eye flight to Chicago.
    • The red-eye schedule allows you to arrive fresh in the morning.
Synonyms
noun
  1. A late-night or overnight flight, typically arriving early in the morning.
    • I took the red-eye from Los Angeles to New York to save money on a hotel.
    • She was exhausted after the red-eye but went straight to her meeting.
    • Red-eye flights are often cheaper than daytime ones.
  2. Redness of the eyes, often caused by tiredness, allergies, or irritation.
    • The photo showed red-eye from the camera flash.
    • After staring at the screen all night, he had a bad case of red-eye.
    • Eye drops can help reduce red-eye from allergies.