During the second trimester of pregnancy, it is generally recommended to sleep on your left side as it improves blood flow to the baby and helps with digestion. However, if you are unable to sleep comfortably on your right side due to pain, there are a few things you can try. Firstly, consider using pillows for support - place one between your legs and another behind your back for added comfort. Additionally, experimenting with different sleeping positions such as propping yourself up slightly with extra pillows or trying a reclining chair may help relieve the discomfort. If the pain persists or worsens, it is important to consult with your healthcare provider who can provide further guidance and ensure that everything is progressing normally in your pregnancy.