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.
·5 min read
Category
Hrv
4 articles in this category
quantified selfbiohackingdeveloper healthHRVCGMblood biomarkerscognitive performancewearablessleep 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.
·13 min read
breathingfocusbox breathingCO2 toleranceHRVautonomic nervous systemstressdeveloper healthcognitive performance
Breathing Techniques for Developer Focus: The Physiology Behind Box Breathing and CO2 Tolerance
Breath control directly modulates the autonomic nervous system, CO2 tolerance, and prefrontal cortex activity. Here's the evidence on breathing techniques that improve focus, reduce stress reactivity, and recover cognitive capacity between deep work sessions.
·10 min read
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.
·5 min read