Girls, hello everyone! I have such a question: my friend (who was preg…

Girls, hello everyone! I have such a question: my friend (who was pregnant twice) said that you shouldn't sleep on your stomach because something could be crushed and the baby might not get enough oxygen. I am 16 weeks pregnant, I practically don't have a belly, I sleep on my stomach and it's comfortable for me, I don't feel like anything is crushing or squeezing, I'm comfortable and cozy. And now I started doubting - should I keep sleeping on my stomach while I can, until my belly allows it or force myself to sleep on my back. What do you know about this, maybe doctors told you something? How do you sleep yourselves? I will add that I don't