No I have not but it makes logical sense. I would need more sources on this though.
Well a bats radar or sonar are advanced. I find it possible.
I'm reading this book on dreaming. It's both very scientific and philosophical. It also mentioned something about bats which seem to have reacted to people that were OBE-ing. The bat's radar is said to have picked up the non-physical body of a person while he or she was OBE-ing. Has anyone heard something on this subject or..?