“A short, high-pitched meow is your cat’s way of saying hello to you,” says Rubin. She adds that several of these meows strung together could mean “I’m so happy to see you!” or even “Hey, let’s play!” ...

Have you ever seen your cat's ears move around, or your kitty run for no particular reason? You may think they're "hearing things," and you may be right. However, the sounds aren't in your cat's head.