§16§What can be gleaned from the study of our dreams? With research methods in mind-including the shortcomings and strengths of various strategies-the book presents a comprehensive introduction to the research obtained so far. Topics include the factors of dream recall; the continuity hypothesis of dreaming; the relationship between physiology and dream content; etiology and therapy of nightmares; and lucid dreaming. The book not only presents a comprehensive introduction to the research obtained so far but also provide the tools to carry our scientific dream studies-including the shortcomings and strengths of various approaches. §04§1. Definitions.- 2. Dream Recall.- 3. Dream Content Analysis.- 4. Dream Behavior and Dream Content in Healthy Persons. - 5. Dream Content and Physiology.- 6. Dreams and Mental Disorders.- 7. Nightmares.- 8. Lucid Dreaming.- 9. Functions of Dreaming. §02§§Michael Schredl, Ph.D., is Researcher at the Central Institute of Mental Health, Mannheim, Germany. He is editor of the journal International Journal of Dream Research.