About Blood Pressure
5. Blood pressure variations
An individual’s blood pressure varies greatly on a daily and seasonal basis. It may vary by 30 to 50 mmHg due to various conditions during the day. In hypertensive individuals, variations are even more pronounced.
Normally, the blood pressure rises while at work or play and falls to its lowest levels during sleep. So, do not be overly concerned by the results of one measurement.
Take measurements at the same time every day using the procedure described in this manual, and know your normal blood pressure. Multiple readings give a more comprehensive blood pressure history.
Be sure to note the date and time when recording your blood pressure.
Consult your doctor to interpret your blood pressure data.
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