Dream yoga

Dream Yoga or Milam[1] (T:rmi-lam or nyilam; S:svapnadarsana)[2]) — the Yoga of the Dream State are a suite of advanced tantric sadhana of the entwined Mantrayana lineages of Dzogchen (Nyingmapa, Ngagpa, Mahasiddha, Kagyu and Bönpo). Dream Yoga are tantric processes and techniques within the trance Bardos of Dream and Sleep (Tibetan: mi-lam bardo) and are advanced practices of Yoga Nidra. Aspects of Dream Yoga sadhana are subsumed within the practice suite of the Six Yogas of Naropa.http://en.wikipedia.org/wiki/Dream_Yoga