Shift your sleep

The Somna Puck wearable

Wearable Device

Product render goes here

Designed to disappear

Built for sleep

Transition planning

Predicts grogginess and adaptation time between shift types, with a recommended strategy.

Transition planning

Specifications

Somna Ring specifications

Sensors

  • ECG: Single-lead electrocardiogram for heart rhythm monitoring
  • PPG: Dual-wavelength optical heart rate and SpO₂ sensing
  • IMU: 6-axis accelerometer and gyroscope for motion detection
  • Temperature: Skin temperature trend monitoring

App

  • Compatible with iOS and Android smartphones
  • Integrates with Apple Watch, Wear OS and Fitbit
  • Automatic sleep staging and wake optimisation
  • Cloud sync with optional local-only mode

What's Included

  • Puck
  • Bracelet
  • 30x sticky pads
  • Charging dock