Dreams are complicated, you know? Science says that communicating telepathically isn't real, but sometimes it feels like you just KNOW they're there, they're feeling the same things you are, and maybe it isn't just nonsense. Maybe it is, maybe it isn't. You aren't gonna find out unless you talk to her. It sounds like you two have been close for some while, even if it's on-and-off, and I think you owe it to yourself to at least let her know your thoughts.