Dawang
Dawang means to pass out, take a nap, or fall asleep. The sleep must be very deep, and hard to be awoken from. Dawanging does not happen on a bed, but usually during class or at an inconvenient time.
"Damn, I dawang'd hard during class today."
"I was at a meeting and I just dawang'd."
"I was at a meeting and I just dawang'd."