It's Tuesday morning and I feel tired. Tired and lazy, to be more precise. But why is it that I feel this way if it's only Tuesday? I should feel more energetic given that the week has only just begun. Oh, now I remember... This past weekend, I did so many things that I couldn't possibly remember all of them -- from visiting my mom to going shopping to hanging out with friends to attending my sister's birthday dinner. (I know I missed a couple...) We have a tendency to cram so many things into our weekend itineraries -- after all, it's usually the only time people who work full-time have to run their errands -- that we fail to leave some time for much-needed rest and relaxation. That leaves us feeling awfully tired as we enter the new work week. When I'm tired, I get lethargic, and that translates into an unproductive worker. Usually, I make it a priority of mine to spend at least a few hours on Saturday and Sunday taking a breather. And you should t...