Blood pressure 140/100mmHg during the day and 120/80mmHg at night is not normal, blood pressure during the day is beyond the normal range.
The normal range of blood pressure 90-139/60-89mmHg, daytime blood pressure 140/100mmHg exceeds the normal value of blood pressure, belongs to the abnormal blood pressure, nighttime blood pressure at 120/80mmHg belongs to the normal range.
Blood pressure exceeds the normal value to consider the possibility of hypertension, should pay attention to strengthen the monitoring of blood pressure, non-same day three times the blood pressure level exceeds the normal value, can make a clear diagnosis of hypertension, at the same time, we should look for the cause of hypertension, to clarify whether it is primary hypertension or secondary hypertension.
It is recommended to consult the hospital for further diagnosis and treatment after the discovery of elevated blood pressure.