when your buzz wears off at a party/bar/club and you're no fun anymore. all you want to do is sleep, that is alcolepsy
Jason was buzzed last nite and being the life of the party, then the alcolepsy took over and next thing you know, he was snoring & asleep on the couch at the club.
The ability to fall asleep in any circumstance (eating, standing, changing the song) while inebriated from alcohol.
Shawn is always falling asleep in absurd places and positions because has alcolepsy.