Verified answer

yes, they will think you are a worthless bum

Lol

If you stay asleep past closing hours and are still there when they open.... Then maybe, yeah.

I would worry about it. People assume stuff about people all the time.

Buy a coffee first. Then, if they wake you up and tell you to beat it, buy another coffee.

Depends on how well dressed you are

Nope.

I've done it before.

only if you have dirty looking clothes on

...if you stink and you've been there since morning, probably.