We spend a third of our life sleeping, and in numerous cultures throughout the world this pivotal part of everyday life is utilized as a powerful vehicle for personal insight and spiritual growth. In the Tibetan traditions of dream yoga especially, profound practices for tapping into our dreams have been cultivated over centuries—and have become renowned for their transformative power among many yogis and great Tibetan masters. Here, acclaimed dream yoga teacher Tenzin Wangyal Rinpoche reveals their secrets. In this new and revised edition of his seminal work, he brings forward his decades of practice and experience to provide step-by-step instructions on this powerful method for liberation. Including detailed illustrations for visualization, this book offers the quintessential guide for both new and adept practitioners alike.