Do we dream for nothing? Can we live without dreaming? What are the dreams that come true ? Is there a relationship between dreams and destiny? The author tries to answer all these questions, which are asked by laymen as well as scientists, through the example of life. He also asks other questions. If for some, the dream is the symbol of chimerical desires, for others, it is a treasure of capital information on the future of the man. Cheikh Bamba Dioum provides at will in this work, unpublished cases of dreams. We find the impact of dreams on the presidential elections in Senegal, on marriage, birth, prison, the future and death among others. The synchronized dreams, like a network of communicating souls, constitute, as he describes it, an enigma that science will have a hard time deciphering. One also notices dreams that seem to challenge the high authorities by the acts they perform, believing that they are of their discretion and their entire responsibility while they are sometimes programmed in advance just like their accession to power and their fall. According to him, the dream goes far beyond the limits that the man wants to fix him