It's essential to prioritize. To better use your time, you need to decide what is most important and needs immediate attention. When you analyze and identify your most important tasks, you know where to focus first to get your work done! Careful with unimportant tasks, they usually take more of our time and energy than needed! So prioritizing those tasks that require more attention can save much of your time.
Prioritizing can be tricky at first, so take a look at this short video on how to do it effectively: https://www.youtube.com/watch?v=czh4rmk75jc