Can sitting down all day cause my blood pressure to rise or drop?

 Blood pressure readings taken while resting or sitting are usually lower than blood pressure readings taken during or right after an activity, like sports.  However, regular exercise helps to lower your overall blood pressure, while sitting around all day, or having a sedentary lifestyle, will increases the risk of getting high blood pressure.  Please note that blood pressure readings fluctuate throughout the day and are influenced by various factors such as vigorous activities and stress.