It could be social. Imagine the family surrounding the deathbed of an elder, dying relative. It's probably the case that the relative is observed closely while

It could be social. Imagine the family surrounding the deathbed of an elder, dying relative. It's probably the case that the relative is observed closely while 'crossing over,' and depending on the relatives' interpretation of what's happening to their dying loved one, they may be left at peace or in turmoil. So maybe DMT has to do with creating the desired appearance to communicate to loved ones at the deathbed.