Cessations of consciousness in meditation.
The full paper is paywalled (boo Elsevier) but enough is there to be intriguing. There are rare meditators who seem to enter a state without consciousness for up to 7 days. Unlike sleep, “they cannot be ‘woken up’ from the cessation state as one might be from a dream. Cessations are also associated with the absence of any time experience or tiredness, and are said to involve a stiff rather than a relaxed body.” ~ learn more