In Tibetan Buddhism, Dream Yoga (milam) trains practitioners to maintain awareness in dreams and the bardo (intermediate state), achieving lucid altered states for enlightenment. Detailed in texts like the Tibetan Book of the Dead. It mattered by systematizing consciousness navigation for liberation.

These practices inspired Tibetan mystic poetry and influenced Western poets like Allen Ginsberg and Gary Snyder, integrating dream states into Beat and ecological verse exploring impermanence.