Procrastination means wasting time or delay. The reason why we procastinate is really a psychological question. We procrastinate because we want to give excuses to the things that we supposed to do. Some procrastinate just to annoy people. We procastinate because we might be lazy to do some certain things. We procastinate because we don't want to take actions, we use all our energy to aviod it which is not good for our mentality in some ways.