We all know the feeling. We wake up after a good night’s sleep and say, “I slept very well,” “I feel relaxed,” or “I feel refreshed.” The feeling is immediate and unmistakable. Yet there is something intriguing about it. What exactly are we experiencing when we say this? Are we remembering what happened during Deep Sleep? Or is something else happening?

This seemingly ordinary morning experience opens the door to a profound question: What does Consciousness actually know when we wake up from Deep Sleep?

Deep Sleep

Advaita Vedānta considers waking, dream and Deep Sleep to be the three familiar states of experience. Yet the waking mind has no direct access to what was actually present during Deep Sleep. “Deep Sleep” is a name given from the waking state to a condition that the waking mind did not experience as an object.

Sureśvara makes this epistemological point with remarkable precision in his Bṛhadāraṇyaka Vārttika:  Continue reading →