It is a deep-seated fear of many to be buried alive or left for dead. It is the driver of many an urban legend where one is presumed to be dead, placed in the morgue, and is later found out to have been alive. One would think with the advances in today's medicine, the possiblity of mistaking a human for dead and leaving them in the morgue would be impossible, right? Right? Surely a highly-trained medical staff couldn't make this type of mistake.
I once read someone describe hell as knowing you are dead and still being able to experience all five senses but being eternally locked inside of the darkness of your own mind, unable to move, unable to breathe, scream, or respond to anything. You can see only shades of darkness but hear everything. You can taste, smell, and feel, but not move the tiniest of muscles. One can only imagine Mrs. Arroyo's final moments were somewhat of a hell before ascending to heaven, locked in a cold dark chamber, confused, disoriented, and ultimately, hopeless. May she rest in peace.
Truly depressing, truly nightmare fuel.