The main point of meditation is to have concentration and clear the mind. Meditation also has so many benefits, like explained at surginglife.com/wellness/meditation/benefits-of/. Many people underestimated the importance of concentration when they practice meditation and experience failure in meditation. This is because they are less concentrated, the matters that will distract you is better to be fix and resolve in order to you could really focus to concentrate.
In addition to the concentration, doing a little workout, warm up and stretching before you do meditation is also a very important aspect of giving you regulate breathing. It is really important to perform breathing technique to make the process of your meditation goes smoothly and you will be more focused in meditation but remember, do not warm up excessively because this will only make you tired. Tiredness and fatigue because of excessive warm up damage concentration as well thus you will get nothing from your meditation other than failure and stress and who would want that?