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