Google Health Coach seems to think I'm on the verge of physical collapse. My sleep is not where it needs to be, hence my unimpressive readiness score. My heart rate variability, a measure of how recovered I am, is below baseline.
Source: [The Verge](https://www.theverge.com/tech/954768/google-fitbit-air-review-fitness-tracker-wearable-ai-health-coach)