Floor up... Or down?

Conversation via text:
 
DUSTIN:  Help me!
LARA:  What's wrong?
DUSTIN:  I'm drunk, and I don't know if I'm facing up or down!
LARA:  Lol!
DUSTIN:  I think it's up, but how can you be sure?
LARA:  Sleep it off buddy! 
DUSTIN:  Ok. Night night!

(Next day)
LARA:  How you feeling buddy? Epic texts last night!
DUSTIN:  Yeah, sorry about that.  B.t.dubs... It was up.  I was facing up.
LARA:  Good to know.