Also anesthesia. The few times I've been under it I can definitively say I wasn't conscious - it was a light switch being flipped. I existed, I ceased, I resumed. No passage of time, no half-remembered dreams, nothing in the middle at all. An entirely chemically induced unconscious state.
what you are able to do in your body is affected by your brain, even what you are able to calculate. consciousness has a far greater scope than human abilities.
consciousness disembodied is still intelligent and aware but becomes infinite, undifferentiated, whole.
psychedelics and meditation will get you there, just put in the effort to do the self inquiry. with some persistence and courage, you'll experience it first hand.
Even though your brain thought it wasn't, you were still embodied, unless you are telling us you were in fact medically dead and still self aware.
Unless you can actually tell someone what's in the next room without ever physically being there or observing it, you're just imagining things. It would be incredibly easy to test in a double blind manner, so if it was a power that someone could actually manifest it'd be reliably demonstrated by now.