Blood pressure is simply a measure of the pressure of your blood in the arteries as your heart is pumping it around your body. You may have heard phrases like 140 over 88. Blood pressure monitoring at home • Regular self-check can assist Healthcare Professionals to evaluate blood pressure trends. • A single measurement may not be sufficient for an accurate evaluation. • Many factors such as physical activity, anxiety, or the time of day can influence blood pressure. • Thus it is best to try and measure blood pressure at the same time each day to get an accurate indication of any changes in blood pressure. • Blood pressure is typically low in the morning and increases from afternoon to evening.