I'm a Martini Sleeper, anytime, any place, anywhere
Usually happens while lying on my couch watching an F1 race, I easily doze off after the first 10 laps and then wake up with around 10 laps to go
Even had a nap once while snorkeling off the coast of Mexico the morning after a heavy night, almost napped on the bottom of a swimming pool with scuba gear on but breathing became a chore as I'd run down the bottle to nearly empty