tldr; the answer to the clickbait: "I’m having a rest before another challenge crops up, and I really don’t want to think about my heart rate variability, wheth

tldr; the answer to the clickbait: "I’m having a rest before another challenge crops up, and I really don’t want to think about my heart rate variability, whether I slept well, or even have notifications on my wrist at all – I just want to give my brain a break. " I'm guessing that the only reason he wore it to be able to write this article with this headline.