How Does Oura Ring Work?

The Oura Ring uses those data points, along with an accelerometer to detect movement, to track your sleep and activity, transmitting your results to an accompanying app via Bluetooth. The ring also includes two sensors that measure your skin temperature.

How does Oura ring know when you fall asleep?

Oura measures sleep using sensors that gauge body signals, including your resting heart rate (RHR), heart rate variability (HRV), body temperature, respiratory rate, and movement, to determine your sleep patterns. These sensors include a photoplethysmogram (PPG), a 3D accelerometer, and a temperature sensor.

Is there a monthly fee for Oura ring?

When you purchase an Oura Ring, it's a one-time charge. There are no additional subscription fees or monthly charges.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.