Collective wrote:I've just realised that I can only reach really deep levels of concentration when I do not support my back during meditation. If I prop aganst something ot doesn't happen for me
Why is this?
I'll take a crack at it.
An unsupported back requires constant adjustments, several a second, to maintain an upright posture. This ongoing activity in the nervous system requires a degree of stimulation and alertness, which in turn benefit meditation by combatting sleepiness. Sitting unsupported puts a hard limit on how sleepy you can get. If you pass the limit you fall over. It's self-correcting.