I heard that what you can do is bang on the wall on the other side of the room or squirt them with a water bottle, without them seeing you. That's still pretty sad. I tried to do that with my kitty cat so she wouldn't keep scratching at the door trying to come in (the water thing) but then I just decided to let her upstairs. I gave in...so now she sleeps with me, but right she sleeps with my sisters, since I'm in another country. But hopefully I will be home next Friday. Yahhhh!