Sexsomnia aka Sleep Sex is a parasomnia (sleep disorder) that causes a person to engage in sexual relations while asleep with no memory of the event.
Sexsomniac: I woke this morning feeling tired and found used condoms in my house. How is this possible, I do not recall having sex and I was alone last night when I went to sleep?
Doctor: Sounds like you may have Sexsomnia. Let's get you into a sleep clinic for further review.
Type sexsomniacs journey for more information about Sexsomnia.
One who 'suffers' frequently from bouts of sleep sex or, sexsomnia.
Jill: Jeez, I'm so sore after last night.
Sophie: What happened?
Jill: Well, Greg is a real sexsomniac, and was a little rough.
Sophie: God that must be horrible!
Jill: Not really, I sleep really well afterwards.