Mellen-Thomas Benedict, one of the most studied near-death experiencers in the world, told of knowledge he's accrued from being on the other side. Since his 1982 near-death experience in which he was without vital signs for 90 minutes, and left his body, he's been able to access the "light" every day.
What your opinions about that? Here is the link: http://www.coasttocoastam.com/show/2009/04/02
You can also find it in youtube: