I noticed the one-up man ship too, when Scotty is over for a visit!
I shush both of them, before they get too much into it!
Otherwise I'd have the hyper Poodle yodel, and the ferocious Sheltie bark... lol
I interrupt the barking, 'no noise"... but with smart Shelties it can be two edged sword, since it gives them what they want: Attention... I startled him enough as a pup tho, so Toffee still get's the idea witht he no noise command.
The ONLY time I cannot sufficiently stop him is while walking in the snow, if I stand still.. I must be barked at, so that I am constantly reminded I really should be kicking the snow for him

I am thinking that is completely my fault because I used to laugh my butt off, he is just so gosh darn cute when he wants to play in the snow, as obsessive as it is, still makes me smile... the buggers pick up on it... lol
PS: I agree tired dogs are happy dogs, lol Before bed time take them out for one more walk around the block, then shortly after take them to crate... used to work for me...
Good Luck!