hoop, there it is … ‘90s music references aside, strap yourself in (bad pun, I know) for a quick rundown of the WHOOP strap. At its core, WHOOP is an optical heart rate monitor that works to help you balance strain (heart rate predominantly) and recovery (sleep, resting HR and heart rate variability). If you understand this, you understand a few things: the value lies in the algorithms/machine learning, not in the strap; the strap measures cardiovascular stress quite
