Every time you get up with animal in the middle of the night to feed them or pet them it reinforces the behavior. For the early rising cat, it's a reward. "If I meow long enough, she'll get up." I agree with locking the cat out of the bedroom. If they meow louder or scratch the door, move...
You don't say in your first post how old she is, what breed or color. Just curious.
You are right not to declaw. Declawing can create worse behavior problems such as using a bed or sofa for a litter box and in extreme cases biting.
The first thing I would do is learn to clip her nails. Her...
You don't say how old the kittens are. Playing in the litter box is very common in younger kittens. In older kittens, this is likely the result of boredom. It is sort of like a toilet training childs fascination with the bathroom. Generally, they outgrow it and become more serious and...