A dream of changing a tire is a warning to conserve your resources against an unexpected demand. Buying a new tire predicts a sudden release from worry. A blowout portends problems caused by hidden jealousy--try being tactful for a while. To dream of losing a tire suggests that you would benefit from a season of stricter self-control. If you dreamed of being excessively tired, it is a straightforward warning that you are overtaxing yourself--slow down, or see your doctor, or both.