What Do You Think About Heart Rate Variability?

Deare, sir jo, we just thought it was so cool back in the eighties. We tought if we could piece it al together, we have the ultimate package a. I think that probably the prudent way to go with hearty variability is you say, we're gong to monitor it, and we're goingto use it as a reference variable. Deare: Is this being used a ton in the nba and not in cycling? Or the opposite? Like, what your take on h r v?