Simple is making a list, clearing your mind, and then doing one thing at a time ... Career-wise, this is your time to shine and show your abilities ... This is your time for action, not leisure ... This is your time for action, not leisure.
Believe it or not, there's been a lot of research looking into why this happens, with scientists finding it is mainly down to lifestyle factors, including blokes doing less exercise as they juggle work and family responsibilities.