Shadow had 3 kittens yesterday and last night I changed her nesting box to a new the new box is exactly the same just a new one the old one was really yucky well since I did that she has been meowing alot and getting out and looking around coming to us. she kept us up all night long, and I would put her in another room but they are too cold for the kittens our room is the warmest. My question is why is she meowing like this and is there anything we can do for her?