Berts: All the products that have moved beyond actually trying to have a screen on your wrist, as opposed to using your phone, are somewhat advanced. But it's very much i it's a ot about sleep monitoring and about recoveryd and measuring your resting heart rate and otherwise. Berts: Every athlete wants to perform at their utmost best but they're not thinking, oh, i just ate this food that isn't good for me or, i didn't get enough sleep.