I think you mean the few seconds right before death. I had one of those experiences. My friend and I were walking and we were about to cross the road, but as I was stepping down from the side walk she grabbed my arm and right then everything went in slow motion for a few seconds. She said something, but it was like I was deaf and I didn't hear anything or feel anything for those few seconds. It was so weird; it felt like a scene from a movie.As soon as stepped back up, some car (that looked like it was going 80) just drove by right in front of us. Anyways, like they say "everything flashes before you're eyes". That's what happened to me. I think we get these "flashes" when something bad is about to happen and we're aware of it.