Aktiia is a bracelet that measures blood pressure 24/7 and stores diff erences between dayti me and night-time measurements. The user can read the data in the Akti ia app and share it with the healthcare professional if necessary. The user can then take acti on, possibly in deliberation with their physician, and adopt a healthier lifestyle. The technique contributes to the prevention of high blood pressure, saving lives and limiti ng healthcare costs. In additi on, the lightweight bracelet is user friendly: the battery lasts for nearly nine days.