My pup acting weird after groom/haircut

So I'm starting to get worried, 11days ago I decided to take my 4month old poodle to a groomer, it was her first time. Her hair matted almost everywhere near her skin thats why i didn't notice immediately, (and i know its my fault and I have learned my lesson believe me) so her groomer cuts all the hair. She was shivering when we got her so i wrapped her and give her cuddles until we got home. She sleeps all the time, will only got up to eat then back to her bed again to sleep. Like she has no more energy, no interest in playing even dog treats, she doesnt like being touch and sometimes near by my other dog. She's completely a different dog. I also check if she got hurt or something, there's none. She also has habbits that just happened, she will sit and raise her hind legs and pull her self. I think shes scratching her butt. And also scratching her nose or face on walls. I really don't know what is going on. My vet told me that she just not used without her hair. But it is already 11days since and has no improvement at all. I have a vet appointment next week again.
Is she traumatized? What should i do? Should i be worried? T

Thank you, i hope someone could share their thoughts or experience