Our Casey does this only he gets the 11th hour zoomies. He has this incredible burst of wacky energy and I know he will be dead asleep in about 15 minutes. I think he is overtired when it happens. Reminds me of my grandson who used to twirl and spin crazily and run when he was tired. You almost had to tackle him, hold him down and he passed out asleep! Murphy on the other hand has a licking frenzy for about 5 minutes with anything in reach...other dogs, us, the bed frame...and zonks out for the night.
Molly and Murphy (tri), Katie (ruby), Casey (B/T),Spike the wonder pup (tri), Suzie (tri) and Penny (blen)