Book excerpt: The Science of Dream Interpretation presents a scientific, historic and psychological account of dream interpretation by introducing the biological and evolutionary foundations of sleep, dreams and dream interpretation. Chapters cover the theory of dream interpretation, the physiological and evolutionary reasons for sleep and dreaming, an overview of the role dreams and dream interpretation throughout history, including the cultural and religious significance of dreams, and how dreams interrupt sleep, including issues of insomnia, sleep walking, and more. The next few sections present influential dream theorists of the 20th century, including a review of their theories (Sigmund Freud, Carl Jung, and Fritz Perls). The final section explains how dreams may be used to extract personal meanings and be utilized in psychotherapy, including case examples from actual psychotherapy sessions of the techniques used to interpret dreams. - Presents the evolutionary history of sleep and dreams - Discusses the psychotherapeutic techniques of Sigmund Freud, Carl Jung and Fritz Perls in relation to dream psychology - Reviews the historical and cultural significance of sleep and dreams - Examines common and uncommon sleep and dream problems such as insomnia, sleep walking and REM sleep disorder - Includes actual case examples from psychotherapy sessions