I'd never use the ping pong balls for projection. For starters i've only projected twice, and those have been very brief without me even getting out of my room. So i don't have enough success to consider such a thing possible.
But mostly i don't want to fall asleep wearing them. Nor would i want to fall asleep wearing goggles. A facemask would be nice, but i don't have one. Having my room pitch black seems to work fine. But that's another topic. This one is about the ganzfeld effect, which i'm currently finding very useful for normal meditation.
But mostly i don't want to fall asleep wearing them. Nor would i want to fall asleep wearing goggles. A facemask would be nice, but i don't have one. Having my room pitch black seems to work fine. But that's another topic. This one is about the ganzfeld effect, which i'm currently finding very useful for normal meditation.