when you lie on your back first and
foremost your throat has a tendency to
collapse in on itself that's when we
wheeze that's when we snore and in
extreme cases obstructive sleep apnea
where you literally kind of choke on
your own throat lying flat on your back
like this is not ideal for breathing as
well and since your breathing affects
your nervous system affects your heart
rate all in all it's just not a position
that you'd ever want to be in if you're
optimizing for health