Track your circadian rhythms with full HealthKit & Google Health Connect integration, and consult a localized Gemma 4 AI Sleep Coach running directly on your phone. No wearables required. Zero servers. Zero cloud tracking. 100% private.

MODULES // 01—03
OpenSleep processes all personal wellness telemetries locally on your device's physical processor. No databases, logs, or sensor records are ever sent to external servers.
All movement telemetry, sound patterns, and biometric sensors are analyzed purely on-device. No telemetry, no logs, and no cloud databases ever leave your hardware.
Consult your localized sleep expert entirely offline. Generates prompt responses with zero network delay, utilizing highly optimized local LiteRT-LM runtime resources.
Fully open-source code you can inspect at any time. Syncs directly with native platform stores: Apple Health (iOS) and Google Health Connect (Android).
SANDBOX // ON-DEVICE GUARANTEED
OpenSleep is architected with strict sandboxing to guarantee data sovereignty. All computation happens locally.
A1
Accelerometer & Microphones capture motion telemetry & sleep noises.
A2
Raw sensor logs are processed locally to isolate sleep stages.
A3
Data is logged directly inside Apple Health (iOS) & Google Health Connect (Android).
A4
On-device LiteRT-LM compiles local rest charts and answers wellness prompts entirely offline.
All outward network routes are blocked. Personal sleep logs never exit the device.
CAPTURES // SPECIMENS
See OpenSleep in action. Simple, intuitive layouts designed to keep you in control of your data.

