In Tibetan Buddhism the state we call sleep is not empty. It is a sequence of consciousness states — the waking mind gives way to a hypnagogic threshold, the threshold gives way to dream, dream gives way to deep sleep — and each of these transitions has a specific quality of awareness available within it, if the practitioner has developed the capacity to remain present through the shift. The practice of milam — Tibetan dream yoga — is the systematic cultivation of that capacity: the ability to remain conscious in the dream state, to recognise the dream as dream, and eventually to rest in the luminous awareness that underlies both dreaming and dreamless sleep. This guide covers milam as one…