When the one slapping you in dreams is someone known it suggests the need to analyze the relationship you have with this person. Things are not very clear and, therefore, you must be sincere with her. You have to prevent the situation from worsening and amend what is deteriorated. If it is you who slaps someone else you are expressing frustration of your desires.
Gallery of dreams
Dreams reflect our actions that we have already performed. Most of us have dreams activities relating to our past life. One of the common dreams that every individual has gone through is their experiences during the school life, where you would get images of teacher hitting you, making you feel numb and shameful.
One of the reasons why people always get involved in road accidents is that, they are tired while driving, or that they lack sleep. Many people do not realize that their performance can be highly affected by having not enough sleep. Sleep deprivation can affect reaction as well as decision making, not to mention that it could make a person unable to drive well. It goes the same with drunk driving.