The default assumption in most everyday and even most philosophical accounts of mind is that dreamless sleep is a period of consciousness being simply switched off: no experience occurs, and the person resumes experiencing only upon waking or dreaming. Vedanta, building on the Mandukya Upanishad’s treatment discussed in the previous piece, argues that this default assumption does not actually fit the evidence available, and it points to a specific, ordinary fact that most accounts pass over without examining: a person who has slept deeply and dreamlessly reliably reports, upon waking, that they slept well and were aware of nothing.
That report is the problem. If consciousness were genuinely and entirely absent during deep sleep, there would be no one present to register that nothing was happening, and no basis on which to later report the sleep as restful rather than simply blank. Vedanta’s argument is that the very fact a person can report on the quality of their dreamless sleep at all indicates that some form of awareness was present throughout it, witnessing the absence of thought and sensory content, even though no specific object of experience was available for that awareness to register in the way waking or dreaming provide plenty of.
This is where the causal body, discussed earlier in this series through the three-body model, and turiya, the constant witnessing background, connect directly: deep sleep is not an absence of awareness but a state in which awareness has no object to illuminate other than a kind of undifferentiated potential, the causal body’s own latent condition. The felt sense of restfulness reported afterward is the closest ordinary language gets to describing contact with turiya’s own nature directly, unobscured for once by the usual business of waking or dreaming content.
If this argument holds, it has a significant consequence explored more fully later in this series: awareness itself may never actually cease, across waking, dreaming, or deep sleep, which reframes what death itself might involve, and reframes, more immediately, the specific witnessing capacity the tradition insists is present throughout every one of these states without exception, which is the subject examined directly next.
Part 20 of 100 — Series II: To the Eternal
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