Sleep No More ("La regola del buio") is a 2002 novel by American author Greg Iles.

[1][2][3] In the novel, protagonist John Waters finds the lives of his wife and child in jeopardy when the soul of a lover he had 20 years ago appears in the body of a female stranger in Natchez, Mississippi.

Part mystery, part thriller, part romance, the book probes the concepts of pathological jealousy and transmigration of the soul.

You can help Wikipedia by expanding it.See guidelines for writing about novels.

Further suggestions might be found on the article's talk page.