No... they just look like it sometimes to fool you into thinking they're not up to anything and you can go to bed.
Anybody want a three-legged coon-hunting wonder dog that looks like a cross between an English bulldog and a yellow lab that grew up in Chernnobl?
Cole finally went into the "puppy curl, with tail & nose together" mode, so mayhap he is settled for a half hour or so.
Your "three-legged coon-hunting wonder dog" would fit right in here- we have a possum problem, that Taff took care of until age laid its heavy hand on her. The damned things are vermin.