SCP-1237 is a state of electrical activity in the human brain (a "brain wave" in common terminology) observed in certain individuals during periods of extremely deep sleep. This state, informally dubbed "level 5 sleep" or "epsilon wave sleep", is profoundly difficult to awaken the subject from - prior to adoption of current containment protocols, experiments with loud noise, bright lights, chemical injections, electrical stimulation, oxygen deprivation, and physical injury and mutilation all failed to arouse the subject. The ability to exhibit SCP-1237 is controlled by a gene designated SCP-1237-1. SCP-1237-1 is present in a small percentage of the total world population. Most of SCP-1237-1-positives experience at least one SCP-1237 event in their lives; Although some experience two or mor