Randy S. Genske, 40, New London, was charged July 30 with sexual assault of a child, attempted sexual assault and incest.
He is accused of inappropriately touching a 14-year-old girl while she was staying the night at his home during the summer of 2009.
The girl told police that Genske had been drinking, switching from beer to mixed drinks over the course of the night. She said she fell asleep on the couch while watching a movie and woke up with Genske kissing her and his hands on her.
According to the criminal complaint, Genske told police that he may have been sleepwalking. He said he did not recollect the incident.
He faces up to 40 years in prison if convicted of sexual assault of a child.