constant interruptions of emails and notifications can cut our productivity by 40 %. recent studies show that, if more than one thing tries to catch your attention the temptation is great to look at more than one thing at a time. while multi-tasking makes you feel more productive your productivity actually decreases, not only the quantity but also the quality of your accomplishment as your attention and full focus is split between multiple things it makes sense that you perform worse than if you are fully focused on one task at time.