After a power nap, Emily Puppy turns into Evil Monster. I call it her "cujo hour," when my sweet cute baby turns into Dog Hyde. We're trying to keep these short, under 15 minutes, then quickly calm down, but she can go on up to 1 hour, with barking, howling, air-biting. Rampage!
It escalates if she gets the Bunny, so it's off limits for now.