Book excerpt: Clinical nutritionists Ian Marger and Vicki Edgson show you how to both enhance your sex life and to achieve deep and refreshing sleep. They examine both sleep and sex-related problems, highlighting potential causes and explaining how nutrition can be a powerful, effective remedy. The book includes: sex and sleep questionnaires; sexy foods and sleepy foods; sexy weekend and lazy weekend plans; libido boosters and sleep supplements; and sexy recipes and sleepy recipes. Illustrations.