Is it harder for you guys to take deeper, full breaths while wearing a mask?

I have to wear one all day at school, and I walk about 10 mins from my class to the lunch room. I have to go up and down some stairs and I feel it is incredibly hard to get a full breath until I can sit down. I never got like that before the mask, nor do I get like that at work (where I also have to wear a mask)

Just curious if any of you guys get that same feeling sometimes