Wearable Intelligence
Honest analysis of what Whoop, Oura, Apple Watch, and Garmin actually measure — and the gap between the data they surface and the action they enable.
← All entries
May 18, 20267 min readWearable Intelligence
More Data Won't Calm You Down
Biometric data overload doesn't lower stress. A system that reads the signal and acts on it does.

Apr 27, 202611 min readWearable Intelligence
What "Multi-Signal" Stress Detection Actually Means
Multi-signal stress detection reads HRV, heart rate, sleep, motion, and temperature together — because one signal alone gets stress wrong.

Mar 22, 202611 min readWearable Intelligence
Your Stress Score Is a Guess. Here's What It Misses.
Wearable stress score accuracy collapses when one number stands in for your whole nervous system. The signal is real. The number isn't.

Feb 15, 20265 min readWearable Intelligence
Apple Watch vs. Whoop vs. Oura for Stress: What They All Get Wrong
Three different form factors. Billions of data points. One fundamental limitation. They all track stress perfectly, but none of them actually intervene.