The whole feel of the passing of time is still a little skewed for Rey. It's obvious that it's going to take a while for her to process being 'back'.

"Null..." Rey rubs her forehead after Nick's question, before it hits her. "Oh, you mean... Yes, I do. Probably a good thing Safronov had other problems to worry about, or she'd be hellbent on making scrap metal out of that thing."

And she wouldn't entirely be without good reason to.