We have attained much spiritual knowledge on which we are now reflecting and need to consider all options and how to make best use of them. Sweeping is a traditional image that symbolizes good management and clearing of our environment. In psychological terms it suggests an attention to detail and correctness, as much as to cleanliness. In modern-day technological symbolism it could suggest searching for viruses. To dream of sweeping suggests being able to clear away outmoded attitudes and emotions. To be sweeping up suggests putting things in order. There may be certain elements of confusion, which we can take time to clear away. You might also like to consult the entries for Broom/Brush and Clean/Clear.