Fully 30 percent to 50 percent of online catalogues feature such offerings, and new products are being released at a dizzying rate. Eyes closed, cut off from the real world by sleep, these dolls invite their human companions to follow them into a fantasy dreamworld. Dekunobo Sex doll with closed eyes. This strange invitation is the subject of my latest paper , published this spring in the French anthropology journal Terrain. Love surrogates The association of desire and sleep seems paradoxical. In trying to understand this market, I first looked at the physical shapes of these objects and the language that manufacturers and retailers use to describe them.