If you dreamed that you were undressing in a mosque: There is a more positive atmosphere in the evening hours, there may also be work and travels related to distant places. To see that you are undressing in a mosque in your dream indicates that the person who sees the dream will regret his mistakes and sins and ask for forgiveness. It indicates that the dreamer will enter the right path, fulfill his worship completely and live a life in accordance with the orders and prohibitions of religion.
To see that you are undressing in a masjid in your dream indicates that the dreamer will follow the path of Allah, will give more importance to his religious duties and stay away from sins.