Me too, my friend (although a hardcore nonduality person would say you don't get your head around the ideas so much as experience them directly).
This is all anecdotal but a lot of NDE/OOB experiencers describe feelings of oneness and a singular connection with all matter and beings that they gain upon "leaving" the body and lose upon re-entering it. A lot of modern day non-dual seekers similarly describe their locus of perception post-awakening as being distributed through the entirety of the room that they're in as opposed to just the spot behind their eyes. Even MPSimmons' description of his experience in another comment mirrors what teachers like Angelo Dilullo (himself an anesthesiologist) describe.
In other words, nonduality says that there's just one consciousness/point of view that we falsely interpret as fragmented (ie mine, yours, the surgeon's, the table's, the chair's). People who report NDEs/OOBs use language that suggests the same.
In a very non-woo way, I think nondual perception and this line of experience is truly fascinating and I wish there were more scientific resources devoted to its study.
