He sleeps

"Anthropologist Bertrand Milworth has ostensibly come to Senegal to do field research. But in truth, he has left his home in Denver to gain a fresh perspective on his marriage, which is troubled by an unusual sexual and racial conundrum. Struggling to fit in with his new Senegalese family - Alaine, his wife, Kene, and their young daughter - Bertrand is, for the the first time in his life, haunted by surreal and increasingly violent dreams.

His waking hours are no less sinister; unwittingly, it seems, Bertrand has become caught in the tension - sexual and otherwise - building between the married couple. His relations with the rest of the village community are also strained; he can't escape the sensation that he's being set up for a grand-scale betrayal. As his sense of isolation and alienation escalates, he comes to believe that not only his fragile sense of identity but his very life is at stake."--BOOK JACKET.