Repetition compulsion is a psychological phenomenon in which a person repeats a traumatic event or its circumstances over and over again. This includes reenacting the event or putting oneself in situations where the event is likely to happen again. This “re-living” can also take the form of dreams in which memories and feelings of what happened are repeated, and even hallucination. This concept was noted formally by Sigmund Freud in his 1920 essay “Beyond the Pleasure Principle,” in which he observed a child throw his favorite toy from his crib, become upset at the loss, then reel the toy back in, only to repeat this action