Join 📚 Leerentveld Readwise Highlights

A batch of the best highlights from what Niels's read, .

unlike Elo, TrueSkill can handle teams. To do this, it assumes the performance of the team is the sum of its players’ performances.

TrueSkill Part 1: The Algorithm

DJ Rich

In this later stage of life, the [amount of time spent sleeping is associated with cognitive function](https://bigthink.com/health/sleep-cognitive-decline/), as measured by spatial navigation abilities, but this relationship is defined by a U-shaped curve. That is, older people who sleep for 7 hours per night perform best, while those who sleep for just 5 hours performed significantly worse, and those who sleep for 10 hours performed worse still.

Sleep Duration Clearly Divides Adult Lifespan Into 3 Phases

Big Think

Recent research has shown that DFA alpha 1 crosses below 0.75 at your aerobic threshold [1] and below 0.5 at your anaerobic threshold [2]. For a more detailed explanation, check our [in-depth blog post about DFA alpha 1](https://aiendurance.com/blog/dfa-alpha-1-thresholds-from-heart-rate-variability).

The DFA Alpha 1 App for Threshold Tracking

aiendurance.com

...catch up on these, and many more highlights