Compression stockings are some of the ways to prevent tiredness while standing for a long period of time. They are difficult to put on, uncomfortable to wear, and difficult to remove, but they absolutely work to ensure circulation back to the heart. A graduated compression stocking has levels of mercury that cause compression along the vein milking the blood upward. This ensures the circulation back to the heart more efficiently. By ensuring better circulation, there is less leg swelling. By the time you sit down to eat you will not feel defeated.