Blood Pressure changes constantly. it fluctuates from day to day and minute to minute according to body's needs. For example, when you are exercising or angry your blood pressure increases, but when you are relaxing or sleeping your blood pressure decreases. These fluctuations are completely normal. This portable wrist blood pressure monitor is especially helpful when tracking changes in your blood pressure as it travels anywhere and takes just few second to measure.
Factors that may cause blood pressure fluctuation: