Sleep architecture
Men Women (soon)
Percentage of time in bed actually asleep. Above 85% indicates restorative sleep; below 80% flags fragmented sleep.
Optimal range
Range varies by individual.
Why this biomarker matters
Wearable-measured sleep efficiency tracks restoration. Below 80% predicts fatigue, immune suppression, and chronic disease risk if persistent.
The prime report
Weekly performance intelligence.
New studies, protocols, and optimization frameworks delivered every Monday. No fluff, no motivation quotes — only what moves the needle.