This is a unique and extraordinary book written by a psychiatrist widely recognised as an international authority on parasomnias in general and random eye movement sleep behaviour disorder (RBD) in particular. Those looking for a comprehensive or conventional textbook on matters “going bump in the night” may be disappointed by the eclectic and extremely personal style of the author. Indeed, it is a little difficult to understand at whom the book is primarily aimed. Published, it seems, using the author’s own resources after 15 years’ gestation, the core of …