The future of sleep is circular.
Clinical-grade biometric tracking housed in aerospace titanium and polished ceramic.
Wake up exactly
when you are ready.
No more groggy mornings. SmartRing detects your REM sleep phase and silently vibrates to wake you up at the optimal moment within your alarm window.
- Micro-motor haptic feedback
- Silent wake-up (partner friendly)
- Optimal cycle detection algorithm
Your sleep debt is decreasing. Optimal bedtime tonight: 10:45 PM.
Data is useless
without insights.
SmartRing doesn't just track your sleep; it understands it. Our Circadian Engine analyzes your biological rhythm to provide actionable advice on when to sleep, train, and recover.
Sleep Debt
Real-time calculation of accumulated fatigue.
Chronotype
Are you a Lion, Bear, or Wolf? We adapt to you.
Your metrics. Your property.
Monitor your Sleep Score, HRV, and Readiness in real-time. Compatible with iOS & Android.No monthly subscription fees. Ever.
Good Morning
Alexandre
HRV
42 ms
RHR
54 bpm
Subscription
Jewelry grade. Laboratory precision.
Designed to be worn 24/7. Hypoallergenic, scratch-resistant, and lighter than a conventional wedding band.
Artistic Nano-Ceramic
Outer Shell
Cured at 1400°C for extreme durability. The polished finish is virtually scratch-proof and retains its deep onyx shine forever.
- Diamond-like hardness
- Non-conductive
Medical Grade Steel
Inner Core
Hypoallergenic 316L Stainless Steel housing. Seamlessly encapsulates the sensors for maximum comfort against the skin.
- Skin-friendly (Hypoallergenic)
- Temperature neutral
2.5mm
Thickness
5.2g
Featherweight
5ATM
Waterproof
6DAYS
Battery Life
Advanced Bio-Sensing.
Dual-LED PPG
Clinical-grade optical heart rate monitoring. Uses Green LEDs for active HR and Red/IR for SpO2 (Blood Oxygen) sensing during sleep.
3-Axis G-Sensor
Detects micro-movements to precisely identify Sleep Stages (REM, Light, Deep) and tracks your daily activity steps.
Skin Temperature
Continuous deviation tracking. Helps identify illness onset early and refine menstrual cycle predictions (Period Tracking).
As seen in
"I've tried every tracker on the market. SmartRing is the only one I can wear during competition and sleep without feeling it. The recovery data is scary accurate."
Sarah M.
Olympic Swimmer
"Finally a wearable that doesn't look like a gadget. It blends seamlessly with my other jewelry, yet the sleep staging is more precise than my wrist strap."
James D.
Biohacker
"The battery life is a game changer. I charge it once on Sunday while showering and I'm good for the week. The app is clutter-free and insightful."
Elena R.
Tech Editor
Join 10,000+ early adopters.
Optimizing their nights, one sleep cycle at a time.
Premium from day one.
Find your perfect fit.
Unsure about your size? No problem. We ship a complimentary sizing kit immediately after your order. Wear the dummy rings for 24h to ensure maximum comfort.
OptiNight Sizing Kit
Power in style.
The anodized aluminum charging cradle looks like a piece of decor. Magnetic alignment ensures a perfect charge every time.