redeye

/ˈridˌaɪ/
noun
  1. A late-night or overnight flight, especially one that departs late and arrives early in the morning.
    • I took the redeye from Los Angeles to New York to save money on a hotel.
    • The redeye flight landed at 6 a.m., and I went straight to the office.
    • She was exhausted after the redeye and slept all morning.
  2. Redness or bloodshot appearance in the eyes, often from tiredness, allergies, or irritation.
    • After staring at the computer screen all day, he had a bad redeye.
    • He tried eye drops to get rid of the redeye before the meeting.
    • The allergy medicine helped reduce her redeye.