When I was a kid, I thought that high blood pressure was a condition that only affected people who made egregious lifestyle choices. In the past year, it's gotten much easier to monitor your blood pressure at home. (If your blood pressure doesn't drop while you sleep, that is a serious indicator that you may have heart disease.) Blood pressure monitoring also showed up on the Whoop MG ($359/year), and a new cuffless monitor called the Aktiia Hilo will be making its way stateside later this year. Comfort is an important factor when it comes to blood pressure monitors, since nearly everything can affect the readings, including whether your ankles are crossed.