yeah mine kinda did the same, i didnt expect her to cry to go outside to pee today, because i have only had her since friday and theres no way (in my opinion) that she would learned so quickly, and i didnt pay attention thinking she was just crying to be let out, so she gave up and took off and went to my closet where her crate and wee-wee pad are and and she peed there, she wakes me up like at 7 am to let her down from my bed so i can let her go to her pad, and then comes back and looks up so i can get her up with me then goes to sleep and then i take her for a walk and she pees out side, i think yours knew that if you were sleep she wouldnt want to wake u up and maybe knew where the crate was at and what it was for... just a thought
