Wearables

3 articles in this category

sleep tracking wearables developer health Oura Ring WHOOP Garmin HRV sleep stages

Best Sleep Tracker for Developers: Oura vs WHOOP vs Garmin

Oura Ring, WHOOP, and Garmin compared for developers — sleep stages, HRV, readiness scores, API access, accuracy vs PSG, and subscription costs explained.

14 May 2026·5 min read

quantified self biohacking developer health HRV CGM blood biomarkers cognitive performance wearables sleep tracking

The Developer's Quantified Self Stack: Tracking What Actually Matters for Cognitive Performance

A practical, tiered guide to the quantified self stack for developers — from HRV and sleep tracking through CGM and blood biomarkers — focused on the metrics that move the needle on cognitive output, not just vanity numbers.

4 April 2026·13 min read

HRV heart rate variability biohacking developer health recovery wearables autonomic nervous system

HRV Tracking for Developers: How to Use Heart Rate Variability Data to Optimise Recovery

Heart rate variability is the most actionable biometric a developer can track. Here's what HRV actually measures, which devices work, how to interpret your trends, and how to use the data to make smarter decisions about training, sprint work, and recovery.

28 February 2026·5 min read