Are they in a safe place now? If they're safe where they are at, then go ahead and move their basket to where she wants it. Make sure any bedding in the basket is clean, if it was dirty it could have been one of the reasons she moved them.
something is wrong with one of my kittens. over night she lost a lot of weight. what do you think i should do? i am still giving milk to her and so is her mom.