16 weeks today hard to sleep right

Analicia • Fri, Feb 15 • 👰Wife 👼8/7/18 6 weeks 🌈👶 7/31/19

I read that you should sleep on your left side and that its the best position to sleep in. However i keep flopping over to my right side majority of the night. Should i be worried or concerned? Im just at 16 weeks today.