Do they have similar bodies and body parts?
And does this sex cause some physical problem in the human "victim"?
How to tell if a spirit is having sex with you?
Do they have similar bodies and body parts?
And does this sex cause some physical problem in the human "victim"?
How to tell if a spirit is having sex with you?
Probably through their subtle body. This is the sexual practice of Pisachas:
Manusmriti 3.34 - When the man has sex with a woman by stealth, while she is asleep, or drunk, intoxicated, or unconscious,—it is the “Paiśāca” form, the most sinful and evil of the ways of approaching women.