Normal human blood pressure shows a spoon curve with two peaks and one trough in 24 hours. The human body is not a day of blood pressure is not static, normal blood pressure in 24 hours has a certain pattern of change, two peaks and a valley of fluctuations. Blood pressure begins to rise at 6:00 in the morning and reaches a peak at about 8-9:00, which is the first peak. Then the blood pressure drops slightly. In the afternoon, blood pressure rises again at 17 to 18 o’clock, which is the second peak. Thereafter, the blood pressure gradually decreases again and reaches its lowest point at 2-3 o’clock at night, i.e., a trough. The blood pressure in the sleep state at night is 10% to 20% lower than the average level during the day. If the blood pressure of 24 hours is connected into a curve, the blood pressure curve is shown as a spoon, so it is called spoon blood pressure in medicine. If you find a blood pressure problem, it is recommended that you have a 24-hour ambulatory blood pressure checkup so that a medical professional can evaluate the overall situation of your blood pressure.