Although your method of sitting falls into the right category for one aspect, its falls short in another. There is no future up there for some of the meditation experiences one will probably encounter in the future. If everthing switches off, will you stay upright. Try it. let yourself slump, and see if it stays up, for 1 hour 2 a whole day. A basic Burmese comfort will stay up, no problem. Try it, 50-60mm cushion max get a small forward tilt and slump into it. Add some Sri Lankan style to really test it. All you do is basically drop your face into your lap. Its a strange style, but not if your Sri Lankan. It can stay up for a day, probably way longer. If not you want fall far. Understand the importants of this, having to remain aware of the basic physical body, is not recommended. A basic Goenke experience can have you on a lean but not realize, think your leaning but your not. Slowly lean until your head is on the floor. This will happen because you let it, and keep meditating. Thats recommended. Its going to be different up there, im guessing. I saw youve got a retreat in 2 months. Maybe after that, but think ahead.
Are you saying that I should try leaning over and seeing if I fall? That I should actually lean over and fall?