The reason this may work is because you tend to incorporate sounds and sensations into your dreams. Therefore, if you use your voice to talk to a person, you may be able to trigger your image in her mind. [5] X Research source
For instance, if the person you are trying to get to notice you asks you what movie you like, don’t just say, “Oh, you know, comedies. " Be specific: “I really liked the latest Star Trek movie. I know a lot of Trekkies hated it, but I loved the story line. "
For instance, say you’re meeting a friend of your sister at a gathering in Arizona. You could say, “Hi, I’m Carrie’s sister from Oklahoma. I tried to leave the tornadoes behind, though. "