When a cat meows and nobody is in the room, does it make a sound? According to the cat, it does make a sound and you better pay attention to it right away. The trouble is, what does a meow mean?
If a cat is meowing, first check if the cat is in physical pain or discomfort in any way. If the cat is healthy, it could just be frightened and want to be with you, which might be fine if you don’t mind a cat stepping all over everything.