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What Is Normal Blood Pressure While Sleeping?

By Alberto J. Medina ; Updated July 27, 2017

In normal and hypertensive adults, blood pressure drops during sleep. This effect is known as dipping and may be associated with better sleep quality and cardiovascular function. However, not all adults experience dipping.

Features

Normally dipping results in a 10 to 20 percent drop in blood pressure. An adult with a normal blood pressure of 130/80 mmHg may dip to 104/64 mmHg during sleep.

Considerations

Normal dipping also occurs in otherwise healthy hypertensive adults. Hypertension is chronic resting blood pressure greater than 140/90 mmHg. An adult with a blood pressure of 160/100 mmHg may dip to 128/80 mmHg during sleep.

Significance

Dipping is independently associated with deep sleep and fewer waking cycles, which results in more restful and higher quality sleep. Dipping and deep sleep are beneficial to normal human function.

Prevalence

It is estimated that 17% of the adult population does not experience dipping. There is a higher prevalence of hypertension and interrupted sleep in people experiencing little to no dipping.

Warning

According to a 2004 study published in “Sleep,” Non-dipping maybe associate with an increased risk of hypertensive organ damage. The value of a good night’s rest is inestimable. If you are hypertensive and not getting quality sleep, consult your physician and lifestyle coach.

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