Sleep Tech Lab.

Lab Methodology Accuracy Database Wearables Nearables Tools

Lab Methodology Accuracy Database Wearables Nearables Tools

Whoop 4.0 Sleep & Recovery Accuracy Review

Is the Whoop 4.0 recovery score valid? Our lab tested its sleep tracking algorithm against EEG.

Sleep Tech Lab.

Independent data, lab-grade methodology, and strict accuracy testing for sleep tracking wearables and nearables. We measure the measurers.

Core Data

The Accuracy Database
Lab Methodology
EEG vs PPG Sensors
PSG Baseline Standards

Device Testing

Apple Watch Ultra 2
Oura Ring Gen 3
Whoop 4.0
Withings Sleep

Tools

Tracker Selector Tool
REM Deficit Calculator
Accuracy Comparator

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