Nocturnal hypertension is the most prevalent phenotype of masked hypertension.5

Blood pressure at night – The decrease of blood pressure during sleep is known as ‘dipping’. The dip is defined as the difference between the average systolic blood pressure during the day compared to the night with an accepted normal of 10–15%.1

Non-dippers and reverse dippers are patients with nocturnal hypertension. Nocturnal blood pressure is considered a strong predictor of cardiovascular events. The management of hypertension should direct towards controlling blood pressure for 24 hours, including nocturnal and morning periods.

Furthermore, taking Blood Pressure (BP) lowering medication at night may be more effective than in the morning.3,4

The golden standard to measure night-time blood pressure is an Ambulatory Blood Pressure Monitor. However, a major issue is the negative effect on the sleep quality of blood pressure measurements taken by an upper-arm device during sleep.2

More about Nocturnal Hypertension

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Discover the latest courses on OMRON Academy Online about Nocturnal Hypertension. Get a better understanding of the problems of the disease and learn more about self monitoring and the relevant guidelines to help you and your patient.

Nocturnal HypertensionNightview_Nighttime_02
15 min
Patients with optimal blood pressure during the day can still be at risk for cardiovascular events if the night-time blood pressure is high.
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Self monitoringComplete_HEM-7530T_In-use_Topshot.jpg
15 min
Self-monitoring can help with diagnosing and treating this condition. How does it work? And what is needed for effective self-monitoring?
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Definitions and diagnosingDoctor's office with patient (woman)
15 min
Assisting health care professionals in selecting the best management strategies for their patients regarding hypertension.
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      1. Bloomfield D, Park A. Night-time blood pressure dip. World J Cardiol. 2015;7(7):373–376.
      2. Cappuccio, F. P. (2020). The Role of Nocturnal Blood Pressure and Sleep Quality in Hypertension Management. European Cardiology Review15.
      3. Hermida, Ramon C., et al. “Influence of circadian time of hypertension treatment on cardiovascular risk: results of the MAPEC study.” Chronobiology international 27.8 (2010): 1629-1651
      4. Hermida, Ramón C et al. “Bedtime hypertension treatment improves cardiovascular risk reduction: the Hygia Chronotherapy Trial.” European heart journal vol. 41,48 (2020): 4565-4576. doi:10.1093/eurheartj/ehz754
      5. Williams B. et al. 2018 ESC/ESH Guidelines for themanagement of arterial hypertension.The Task Force for the management of arterial hypertension of the European Society of Cardiology (ESC) and the European Society of Hypertension (ESH). European