This book begins by presenting a spiritual understanding of sleep from the Islamic viewpoint, which is followed by guidelines for recommended evening, pre-sleep, night, and morning acts of worship. The theoretical understanding of dreams is laid out next, followed by a logical study of dreams in the Quran, and of dreams seen by the Prophet Muhammad and his companions (R). The rest of the book deals with the interpretation of the dreams, its correct rules and methods, and helps to understand these rules. Finally, there is a large glossary ot the interpreted dream symbols. The book intends to fulfill two important goals regarding sleep and dreams: It establishes their understanding upon the strong foundation of the Quran and Sunnah, and it eliminates a great deal of superstition that surrounds them.