[MonikaT]

i have suspected my larger side was the side I sleep on

I'm left dominant, sleep on my right side exclusively -- my right side is larger

how do you sleep?

I normally go to sleep on my left side and wake up on my back. If I awaken in the middle of the night for some reason, when I go back to sleep, I try to fall asleep on the opposite side of what I went to sleep on the previous time. This is partly caused by pain and numbness due to lower back issues. Unless I am absolutely exhausted, I always wake up on my back.

I am right-handed, and my left breast has always been larger. I just assumed it has to do with the dominant side being slightly more muscular and a little stronger due to use.