Dreams of someone winning the lottery can symbolize a variety of different things depending on the context and other symbols in the dream. Generally, it could indicate an intense desire for success or luck in life which is being expressed subconsciously. It could also represent that you are feeling lucky or fortunate in some aspect of your life, such as with relationships, finances or career prospects. Alternatively, it may be a sign that you need to take more risks in order to achieve success and fulfillment. Ultimately, interpreting dreams requires looking at all aspects of the dream and relating them back to one's own personal experiences and feelings.