Everyday distractions are inevitable, and your focus gets shifted to what might be lesser important tasks.  According to the article, “How to Stay Totally Focused on What Matters Most,” by Dave Kerpen, your calendar should be a representation of your priorities with the most important activities taking up the majority of your time.  He also suggests putting time aside for other “distractions” or less-important, but still necessary tasks. By doing this you have larger chunks to do what absolutely needs to be done, but still have time for other things.
Visit the article for further detail