Dream Theories
In latest one month, I clearly remember that I have a vivid dream that my mum ask me to manage my own Outbound Service Agency in USA for those Chinese people who cannot speak English to provide professional consultant services. My mother has come to America two times so that she feels America is a best place for her to live in for long time. She told me in the dream that China is not safe, for example, foods and beverages always have toxic elements, class distinction get worse those days that may cause social disturbance and so on. I have pressure of getting a position in the US, because nowadays non-citizen students outside America are difficult to find a job or get valid US. Working visa. When I wake up, I feel deeply sad that I do have pressure now after my graduation.
Theory 1: Dreams Create Wisdom
If we remembered every image of our waking lives, it would clog our brains. So, dreams sort through memories, to determine which ones to retain and which to lose. Matt Wilson, at MIT's Center for Learning and Memory, largely defends this view. He argues that sleep is the process through which we separate the memories worth encoding in long-term memory from those worth losing. Sleep turns a flood of daily information into what we call wisdom: the stuff that makes us smart for when we come across future decisions. I think the reason why this dream is important to me is memory. My mother always said that to me over time, so it has become a impression in my mind.

Theory 2:The Evolutionary Theory: We Dream to Practice Responses to Threatening Situations
Ever notice that most dreams have a blood-surging urgency to them? In dreams, we often find ourselves naked in public, or being chased, or fighting an enemy, or sinking in quicksand. In sleep, the brain fires in similar ways as it does when it's specifically threatened for survival. In addition to