this comes from a sex researcher at john shopkins university. sexual fetish in which attainment of orgasm is dependant on an unresponsive victim. it's chilling because so many of his accusers more than 25 say he tried to make them unresponsive. >> just giving a name to this kind of behavior doesn't really explain why. i will tell you that somnophilia is often associated with incest or early life sexual trauma. perhaps the person was abused while they were sleeping or half asleep and this is now the schema for sex for them. or perhaps they have performance anxiety where they can't tolerate the person seeing them or seeing them fail if you will. >> it's so bizarre to conceive of somebody only being sexually aroused by someone being unresponsive and unconscious. >> you know human sexuality has so many interesting variations some completely functional and adaptive. there are people who have this who live functional lives and have functional sex lives because they get consent from their partner before the partner falls asleep. there's not drugs invol