The latest research has begun to unravel some of the mysteries behind dreaming. People typically dream at least 3 or 4 times a night, but many don't remember their dreams. Researchers now suspect that MCH neurons, which were thought to only regulate appetite, may be the reason why dreams are so easy to forget. Meanwhile, a new technique utilizing fMRI and AI to examine and analyze blood flow in the brain when a person is looking at an image has now enabled scientists to "peer" into a person's dream. In this episode, we'll look at these incredible results and other efforts to conduct research on the mechanisms of dreaming.