Study protocol
Pain, pain
All patients scheduled for a planned ABPM were screened and eligible patients were asked to participate. Patients who accepted to enter the study were randomized 1:1, using an online random number generator [Patients were prepared for the ABPM in accordance with current guidelines [Immediately after each ABPM, the patients filled in a questionnaire concerning antihypertensive medication taken for the last 24 h, self-perceived sleep interruptions attributed to the measurements, symptoms from the arm after removal of the cuff, and pain perceived during day and night measurements. Pain associated with cuff inflations was reported on a visual analogue scale (VAS) from 0 to 10. Only patients who completed both questionnaires were included in the questionnaire analysis.