I got a back tattoo, when is it appropriate to sleep on it?

It's best to sleep on your stomach, or if you had a hammock you could cut the part out where the tattoo will be would be neat. If your one of those people that can fall asleep standing up I suppose you could try that too. An anti gravity chamber would probably work, you could sleep while floating in the air not touching anything.

I mean if you just got it then you shouldn't sleep on it yet

Whenever you like, I suppose...

Damn... tattoos suck. Try not to think too hard about what a stupid thing you did...It's stuck with you FOREVER, you short-sighted moron...