High blood pressure (hypertension)

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  • With Mayo Clinic emeritus hypertension specialist

    Sheldon G. Sheps, M.D.

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Question

Sleep deprivation: A cause of high blood pressure?

Is it true that sleep deprivation can cause high blood pressure?

Answer

from Sheldon G. Sheps, M.D.

Possibly. It's thought that sleeping less than six hours a night could be linked to increased blood pressure.

People who sleep five hours or less a night may be at higher risk of developing high blood pressure or worsening already high blood pressure. There's also an increased risk of high blood pressure for people who sleep between five and six hours a night, although that risk is not as high as it is for people who sleep five hours or less a night.

It's thought that sleep helps your blood regulate stress hormones and helps your nervous system remain healthy. Over time, a lack of sleep could hurt your body's ability to regulate stress hormones, leading to high blood pressure.

Sleeping seven to eight hours a night may play a role in the treatment and prevention of high blood pressure. Talk to your doctor for tips on getting better sleep, especially if you have high blood pressure.

Next question
Blood pressure: Does it have a daily pattern?
References
  1. Vgontznas AN, et al. Insomnia with objective short sleep duration is associated with a high risk for hypertension. Sleep. 2009;32:491.
  2. Knutson KL, et al. Association between sleep and blood pressure in midlife: The CARDIA sleep study. Archives of Internal Medicine. 2009;169:1055.
  3. Stranges S, et al. A population-based study of reduced sleep duration and hypertension: The strongest association may be in premenopausal women. Journal of Hypertension. In press. Accessed March 26, 2010.
  4. Phillips B, et al. Insomnia did not predict incident hypertension in older adults in the Cardiovascular Health Study. Sleep. 2009;32:65.
AN01344 May 21, 2010

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