Among seven theories, there was a theory claiming that we dream to heal. In this theory, they said dreaming is important in that it inables us to solve the problem with the state of lower stress level. And they also said some doctors are trying to find the reason of mental disorders based on these theory. However, i don't think it' reasonable. I rarely dream while i sleep. But i don't have any mental disorder. And also the contexts of my dream don't seem like it helped me to heal. So it made me think unreasonable when i tead this
