OMG I know!! I was wondering the same thing about Pepper!! LOL, it's very funny, he does his 'prancing dance' once he sees me taking the goodie bag. Then I say SIT (and before I finish the word, his little butt is already parked solid on the ground). If I don't give his the treat immediately then, he does DOWN by himself...
. Sometimes I say DOWN when he's standing, he lays down then. Or, sits, then lays down. But I try to not use those 2 commands right after each other... He's a little confused and sometimes lays when I say SIT.