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Definition

Oura ring

Contributor(s): Matthew Haughn

Oura ring is a wearable digital device that fits on a finger and measures the quality of the wearer’s sleep. The ring tracks respiration rate, heart rate, blood volume pulse, temperature, motion in 3D. The measurements are achieved by way of a thermal sensor, IR LED and optics for pulse and a combined 3D accelerometer and gyroscope. Pulse data is read directly from the palmar artery.

Through these measurements the ring offers information on:

  • Bedtime guidance
  • Sleep quality measurements
  • Sleep stage tracking (REM, deep, light)
  • Sleep trends
  • Oura readiness insights
  • Recovery optimization
  • Resting heart rate
  • Heart rate variability (HRV)
  • Body temperature trends
  • Respiratory rate
  • Oura activity insights
  • Daily activity goal
  • Always on - Daytime activity tracking
  • Steps and calories
  • Inactivity alerts
  • Activity balance

Oura was founded by CEO Petteri Lahtela, COO Tommi Pyykkonen and CTO and head of design Kari Kivela. The company and initial product were released in 2015 after a Kickstarter campaign that garnered $650,000 from its initial $100,000 goal.

This video provides an introduction to the Oura ring:

This was last updated in August 2019

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