Sorry I should clarify, I'm drinking the in the night after my surgery in the afternoon.
Definitely not adviseable to drink alcohol the night before this procedure. Like j34 above mentioned, alcohol IS a blood thinner, so it could cause some increased bleeding. Not to mention, the anesthesia may cause you a few side effects, and alcohol use could possibly worsen those.
Just not a good idea all around.
Booze thins your blood so probably not a good idea