How to Quantify Recovery

Athlete monitoring system, which is purely online. One of the questions is how recovered do you feel? But also incorporated in there is how well have you slept? How long did you sleep? Um, where are your areas of muscle sauna? So a range of questions that will hint towards their level of recovery. When an athlete is Training too much relative to recovery or not recovering enough relative to training. I want to dive into Particularly sleep here in just a bit.