My friend at AA actually loves trips that end with a redeye. His third trip day ends at like 5am and he lives 20 minutes from ORD, so he considers it a day off. One recent line he had was... Day 1: (early start) ORD-PHL-ORD-TPA.
Day 2 (early start): TPA-DFW-SFO. End in SFO at 11am local, 12 hour layover during the afternoon/evening, then redeye SFO-ORD. End in ORD at like 5am on Day 3. Goes home, sleeps for a few hours, then goes fishing. He loves that line.