n., pl: crack-naps
1. A nap at an awkward time of day or night which leaves one feeling much worse than before the nap.
2. A nap that leaves one feeling cracked out.
"I accidentially fell asleep at 7:00 last night, and when I woke up from my crack-nap at 9:30, I felt shitty so didn't know if I should eat soomething or just go back to sleep."