Haha yayyyy welcome to the "side sleepers club"!
Also, investment in a padded bra may help at night, my first experience was woke up by a soft sheet (like silk) rubbing my nipple, I woke up feeling like they were being rubber with sandpaper n ripped off at same time. I gotta offer that advice, if I can save one person from said trauma I'll be happy I did lol!

congrats. Prepare for itching, too.