Check blood pressure at night.

Blood pressure is measured at

different times of the day, the body may be affected by factors such as environment, diet, exercise, etc., resulting in fluctuations in blood pressure. Therefore, there will be slight deviations in blood pressure values measured at different times, which is normal. Whether the measurement results are accurate or not has nothing to do with the measurement time. If the operation is standardized, the measured blood pressure values can be used as reference results.