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Blood pressure: Does it have a daily pattern?

Medically reviewed by Last updated on Jun 24, 2022.

Blood pressure has a daily pattern.

Usually, blood pressure starts to rise a few hours before a person wakes up. It continues to rise during the day, peaking in midday. Blood pressure typically drops in the late afternoon and evening. Blood pressure is usually lower at night while sleeping. The blood pressure measurement at night is called nocturnal blood pressure.

Examples of an irregular blood pressure pattern include:

A rise in blood pressure overnight to early morning has been linked to an increased risk of heart disease.

An irregular blood pressure pattern could also mean that you have:

Poor diet, lack of exercise and certain lifestyle factors can affect blood pressure pattern, including:

Your health care provider can tell you if an irregular daily blood pressure pattern needs treatment. Sometimes, a person's blood pressure rises simply when seeing a care provider. This is called whitecoat hypertension.

A 24-hour blood pressure monitoring test can be done to measure blood pressure at regular time periods over 24 hours. The test is called ambulatory blood pressure monitoring. It provides a detailed look at blood pressure changes over an average day and night.

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