Around a campfire? A home party/jam? Sure. On stage, getting paid? Nope. My routine at our regular gig (2x/month) is to get there early, set up, and have a Jameson on ice, and a cold beer ... and talk with my bandmates before the show. The Irish to loosen up, the beer for hydration in the first set (I also sing) that goes on stage behind me (but I rarely finish it during a three hour gig).
Once done, I head home. Sober. But I might not stay that way once I get there!