The last stage in the nocturnal practices is bardo yoga, which is a uniquely Tibetan contribution. “Bardo” means “gap, transitional process, in-between,” and refers to the gap between any two states of consciousness. This means that bardos occur constantly, as often as the gap between any two thoughts. But bardo yoga is classically
Death is one of the most precious experiences in life — if we are prepared. The karma that brought us into this life is exhausted, leaving a temporarily clean slate, and the karma that will propel us into our next life has not yet crystallized. This leaves us in a unique “no man’s land,” a netherworld the Tibetans call “bardo,”
If you sincerely practice the teachings of hearing, contemplating and meditating, these teachings will lodge in your sub-conscious body-mind matrix and they will arise when you need them the most. They will come to bear when everything else falls apart. Their benefits lodge in your formless mind and this is what you can take with you when you die.