Ke$ha's recent claim that she had sex with a ghost before writing her latest single is arousing something from paranormal experts: skepticism.
The pop singer recently revealed to Ryan Seacrest that a randy romp with a male ghost helped give birth to her new song, "Supernatural."
"It's about experiences with the supernatural... but in a sexy way," she told Seacrest. "I had a couple of experiences with the supernatural. I don't know his name! He was a ghost! I'm very open to it."
There have been reports of people having sex with ghosts, according to paranormal researcher Eric Olsen, who co-hosts "America's Most Haunted," an online radio show.
"There is a tradition of entities known as 'succubus' and 'incubus,' which are malevolent spirits and their whole modus operandi is to seduce human victims and, in the process of consummating, steal or possess the victim's soul," Olsen told The Huffington Post.
Still, Olsen is skeptical about Ke$ha's alleged haunted humpings, which, if true, would make her a "spectrophiliac."
"There is a question as to what kind of visitation can you have while asleep," Olsen said, suggesting that the singer's otherworldly orgasms with some paranormal perv may just be part of a vivid dream.
"Unless you can observe them, you can't really differentiate between a vivid dream and an actual encounter," Olsen said.
Ghost researcher and HuffPost blogger Alexandra Holzer is also raising her eyebrows at Ke$ha's allegations of spirit sex, which, if true, would not be a hot and heated encounter.
"The people who report having sex with a ghost report feeling pressure on them and even penetration, but ghosts don't have warmth," Holzer told HuffPost. "When they're in the room, it's a very cold environment."
Holzer said the singer has been known for her ability to get publicity and suggests it wouldn't shock her if Ke$ha created the story in order to scare up publicity for the new CD.
"In terms of PR, it's an interesting and smart move," Holzer said.
Los Angeles-based ghost hunter Jayni Hartman won't dismiss Ke$ha's claims as strictly for publicity, but said that erotic apparition encounters are rare.
"Connections between ghosts and humans are more likely to be emotional, like the woman I met who could actually feel the spirit of her dead husband spooning her in bed and even smelled his cologne," Hartman told HuffPost.
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GALLERY: HAUNTED ATTRACTIONS THAT MAY REALLY BE HAUNTED