Not at all. To make this work, I was imagining your head on the floor, your feet on the bed. Maybe a folded towel or pillow to rest your head on. An inversion table is probably the bets way to go about this.
an inversion table would be the best, but anything you can do to kinda get upside down is the point. i suppose even doing handstands would be useful, but i would think anything that puts a strain on your body might not give you enough lung control to do a full lung exhale
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