"Look here," he was saying in her ear, his voice nothing more than a whisper. His breath teased the curls against her cheek. He was standing behind her, his arms bracketing her body, one hand braced on the table. The other hand was turning the pages of the book he had plopped down in front of her. "This passage here. It speaks of something called  dream walking. When a person can put themselves into a trance of sorts, and they are able to leave the barriers of their mind and body and enter someone else’s dream or body. It is sometimes also called vivid dreaming, or lucid dreaming."