Do you control your day or are you controlled by it? This is one of the most powerful questions I have ever been asked. It forces ownership back to you. Yes, you are responsible for what you did or did not accomplish that day. The excuses available are as long as Google search results if you want to deflect responsibility. On the other hand, if you are like most, you do have a plan for your day and for some reason it always takes a detour and before you know it the day is winding down and there you sit with a to-do list that is probably the same length as when you wrote it.
Most people think they have a plan for the day and low and behold from the moment their feet hit the ground the world comes at them with distractions and disruptions. We operate at a frenzied pace working through the day putting out fires and impromptu meetings, then lunch then after lunch situations that arise ad infinitum. Now, is any of this productive, is it healthy? A well known statistic is that you are at highest risk of heart attack on Mondays between the hours of 6am and 10am. Why do you think that is? My non-medical opinion is that it is the stress of anticipation the looming cloud carrying nonexistent problems.