Dreams that reflect the need to win symbolize anxiety, and sometimes fear, because you assume that you do not have what it takes. If, in the dream, you get hurt for wanting to win, it means that the ambition is harming your health. You must limit your activity and stay away from any competition.
The oneiric oracles claim that the meaning of this dream is the opposite of the literal reading.... The Big Dictionary of Dreams
If you dream of winning, whether it is a prize, competition or contest, this illustrates your feelings of confidence. It may be a reassurance from your subconscious that you have what it takes to be a success in waking life. On the other hand, dream oracles suggest that this kind of dream can sometimes mean the opposite.
If you dream of winning a lottery ticket, this indicates a new- found sense of optimism in your waking life.
If you see numbers on a lottery ticket, consider buying a lottery ticket and use the numbers you saw in the dream. Losing or drawing the lottery in the dream, is a warning that you might be surrounded by false friends or that your hopes are unrealistic. See also NUMBERS.... The Element Encyclopedia