Animal acting weird.....

So I have heard that people say there animals change right before they go into labor an I was curious to how many people this has happen to... My cat is not the most loving type she doesn't really liked to be pet unless its on her time an isn't a lap cat not since she was a kitten have had her a year an half Well today she has been acting weird been loving wanting to be close to me and acting sleeping on my lap right now.