When we got our 1st pup, we left her in her cage with a blanket we got from the owners the 1st couple of night she cried a bit, but we just left her we done the same with our second pup but he was a bit worse, but after about a week or 2 her did not cry of a night, they both go into there creates when we goto bed and they dont tend to cry untill about 730 when they want to go out for a toilet, then they go back for about an hour