Sleep disturbance increases the nocturnal blood pressure level and attenuates the correlation with target organ damage

L.H.G. Henskens, M.P.J. van Boxtel, A.A. Kroon*, R.J. van Oostenbrugge, J. Lodder, P.W. de Leeuw

*Corresponding author for this work

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Objective We aimed to investigate whether subjective sleep disturbance during overnight blood pressure (BP) monitoring results in higher night-time BP levels, and whether this affects the correlation between nocturnal BP and hypertensive target-organ damage. Methods In 203 untreated hypertensive patients (104 men) without a history of cardiovascular disease, with a mean age of 52.1 +/- 12.5 years, and with office BP levels of 170 +/- 23/104 +/- 12 mmHg, we performed duplicate ambulatory BP monitoring (ABPM), assessed subjective sleep quality using the Groningen Sleep Quality Scale, and obtained information on hypertension-related cardiac damage by echocardiography. Results Overnight BP monitoring disturbed sleep significantly, but habituation to nocturnal measurements occurred on the second ABPM. Participants whose subjective sleep quality was less than usual on either ABPM did not have higher nocturnal BP levels than those who slept similar to usual (P>0.05). When comparing the nocturnal BP levels between the first and second ABPM, we found that participants whose subjective sleep quality was less on the second ABPM had significantly higher pressure levels and a smaller BP dip than participants with a similar sleep quality for both ABPMs (P
Original languageEnglish
Pages (from-to)242-250
JournalJournal of Hypertension
Issue number2
Publication statusPublished - 1 Jan 2011

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