My puppy fell! What do I do?!?

I was holding my puppy in my lap as I sat at the kitchen table because I was trying to get a better look at something in her eye. When I went to get the stuff from her eye she wriggled out of my hand really fast and fell to the floor. She immediately began yelping but after a minute I was able to console her. She's only 8 weeks old but when I put her down shes walking and acting fine and I gave her some treats to make sure she will eat. I am just scared she has a concussion or something. Her vet visit is not until tomorrow morning...What do I do?!