Althought as most not desired existence sometimes quoted, there seems to be less information about the cause why one gains the existence of an "not-perceiving-being", Unconscious beings (asaññasatta). [explained as "only body 'no' mind" often]
What is the cause, what is the required tendency to gain a asaññasatta-existence, state? Which kind of training should one go after to gain this long lasting state (which causes one to become a "fortuitous-arising-ists" (DN1), or a materialist, when falling from there)
Maybe some experts or googlyanika (those living dependency of teacher google) here are willing to elaborate about the being and coming into being of such beings.
(Note: this is not given for trade, exchange, stacks or entertaining, but as a tiny emergency-question for a timely exit from this wheel nourishing on delusion)