sexsomniac

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.

by Invius December 10, 2007