Source: The Great Interpretation of Dreams (Ibn Sirin)
The miswak in a dream indicates following the Sunnah, purity, and good character. It indicates a man who reconciles people.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
The miswak indicates a male child or lawful money. Using it indicates paying off debt and the end of worry.
Source: Signs in the Science of Expressions (Ibn Shaheen)
The miswak is interpreted as goodness and blessing. Whoever sees himself using it, his affairs will be rectified.