Back in 2014, Katy Perry was rumored to have undergone subliminal hypnosis to help her forget about an ex. The “Firework” singer was just coming off of her a breakup from crooner John Mayer, and apparently, she couldn’t move on from the relationship without any professional help. To be fair, it wasn’t the first time…

 

In the 2001 movie “K-Pax,” Kevin Spacey’s character “prot” claims that he comes from a faraway planet called K-Pax. He winds up in the mental hospital with Dr. Mark Powell (played by Jeff Bridges) as the man in charge of solving the mystery of prot’s condition and using subliminal sleep hypnosis as one of his…