002 / Sleep
Sleep, measured in layers.
Track REM, deep, and light sleep with clinical-grade accuracy. Every night becomes a blueprint for tomorrow's energy — refined across millions of nights of research.
The smart ring trusted by over 2.5 million members to decode sleep, recovery, and performance — 24 hours a day, silently.
Track REM, deep, and light sleep with clinical-grade accuracy. Every night becomes a blueprint for tomorrow's energy — refined across millions of nights of research.
A single number — 0 to 100 — that tells you when to push and when to rest. Informed by heart rate variability, resting heart rate, body temperature, and recovery.
Continuous heart rate, blood oxygen, and automatic workout detection. Training load adjusts to how recovered you actually are — not how recovered you think you are.
Titanium. Featherweight. Waterproof to 100 meters. From $349.
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