Be mindful when choosing a sleep position; change your sleep positions if you are experiencing frequent nightmares; take care of yourself mentally and physically .

This hadith is about the importance of changing one's sleeping position in order to reduce the chances of having bad dreams. It was reported by Abu Salama that he used to see dreams, but then he changed his sleeping position and found that it helped him have fewer bad dreams. This hadith teaches us that we should be mindful of our sleeping positions as it can affect our sleep quality and dream experiences. We should also be aware that if we are having frequent nightmares, changing our sleeping position may help us reduce them. Additionally, this hadith encourages us to take care of ourselves by being mindful of how we sleep and how it affects our mental health.