Yes, you can improve your ability to breathe in different positions.
It takes practice and working with breathing as a skill.
Your diaphragm could be restricted.
Jill Miller Fixes Your T-Spine and Crappy Breathing Mechanics
Jill Miller Smashes Your Guts! (and psoas, and tacked down viscera, and matted down abdominals…) Part 2
Jill Miller Diaphragm Evolution Part 3: Eccentric Loading