I recently read that sleeping (and anesthetica) come with increased interstitial space (http://science.sciencemag.org/content/342/6156/373). Maybe that increased in interstitial space usually leads to a loss of consciousness.
I have a hypothesis that it's also possible to be in a state of meditation whereby one is conscious but the interstitial space is still increased. Does anyone have ideas about whether that's plausible?
If it's worth saying, but not worth its own post, then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should start on Monday, and end on Sunday.
4. Unflag the two options "Notify me of new top level comments on this article" and "