If you regard dreams as a message from heaven and a harbinger of the future, telling you something about Duke Zhou here can still satisfy your curiosity.
If you only take dreams as your own message, you can only answer this question yourself. You can think back to your life, work, family, relatives and friends to see if there are any aspects related to your dreams. Even if you ask a psychologist, people will ask some questions about you and try to make a reasonable explanation.
In fact, dreaming is a good thing, which means that you are in a light sleep state. According to the research theory, light sleep can give your brain a full rest. Therefore, when a person cannot dream, it is the most worrying thing.
In a word, it is a good thing that people can dream.