In CBT we work on reasons we procrastinate. We talk about how we get overwhelmed by trying to do the whole instead of breaking it down into manageable chunks, feeling too much pressure/pushing from others so we dig in our heels, we get overwhelmed by perfectionism, etc.
In this recent article from The Greater Good Science Center, we learn about having more self-compassion. The article has several helpful tips and videos about self-compassion as it relates to decreasing levels of stress related to procrastination.