How to Transition From Sleep and Absence to Being Aware and Awake

How does one transition from that undifferentiated, all subject experience or the lack of subject object difference from being absent to being present? And come again, question. So in deep sleep, you said it is non-dwell because subject and object are merged. Merged, yes. But we do not know it and we are ignorant. We make it only after the fact that we have an use. Consciousness is pure consciousness. It is also pure awareness. Pure subject. Subject objects are erased. There is no subject object but we are not absent at that. How does one benefit? How does one move from a period of so-called sleep and absence to being aware and awake