Yes, you're dreaming while you're still awake. The brain is starved for oxygen, some senses seem heightened while others seem to be depressed.<quoted text>
Yeah, I'm not too sure about those near-death experiences. I've studied biology and psychology quite a bit. The descriptions offered take place in the sub-conscious mind but are expressed by a conscious person. I think there's a possibility that the chemical/neural conditions may be similar with many of them. Nevertheless, the translation from one part of the mind to another may be a distorted reality. All may be related to a 'dream' world.
Physical symptoms produce certain sensations that are pretty much par for the course. Blood vessels may contract in the arms and legs trying to keep circulation going in the brain and torso (producing a cold feeling) lack of oxygen leads to a floating and dreamy sensation, etc. The 'dreams' depend on the persons former experiences and expectations.
I seriously doubt that a Muslim has seen Jesus (or a Christian coming face to face with Allah) or Zeus or Thor for that matter. The brain can't come up with something it doesn't know, there may be a feeling of all knowing....but I can get that with a few glasses of wine too;0)
Also, many NDE experiences tend to grow over the years, much like a good story that gets embellished, tweaked and updated depending on the audience reception.
Hopefully, since they are more and more numerous thanks to medical technology people will come to accept them for what they are....not a portent of the future or verifiable evidence of anything. They are just a person's own perspective of the situation.
I wouldn't wanna do it again but it's an interesting trip;0)