Research & Validation
Only about 5% of births actually occur on their estimated due date. This groundbreaking study using Oura metrics was able to predict labor onset with 71% accuracy.
September 19, 2023
Research & Validation
Researchers examined data from 50 million nights of sleep in 35 countries to learn how sleep duration and quality differ geographically and culturally.
August 16, 2023
Research & Validation
Take a behind-the-scenes look at the process of developing our new, more-accurate-than-ever sleep staging algorithm.
May 30, 2023
Research & Validation
The team at Oura recognizes the importance and urgency of working toward health equity for women, especially in research and technology.
May 01, 2023
Research & Validation
Oura research scientists analyzed biometric insights from 838 Oura members who had COVID and 20,267 members who received a COVID vaccine.
March 27, 2023
Research & Validation
The Oura Ring performed near-perfect for resting heart rate (r² = 0.996) and extremely high for heart rate variability (r² = 0.980) when compared to a medical-grade ECG device.
February 15, 2023
Research & Validation
A PSG sleep study is the gold-standard to measure sleep stage and detect sleep disorders. Learn more about it, and why Oura Ring is a worthy alternative.
December 06, 2022
Research & Validation
We're thrilled to share our new, highly advanced sleep staging algorithm with the Oura community. Read more about it here.
November 16, 2022
Research & Validation
The veterans’ organization shares the results of their pilot project aiming to improve veterans’ sleep, activity, and enrichment.
November 10, 2022
Research & Validation
July 15, 2022
Research & Validation
April 22, 2022
Research & Validation
Oura’s latest sleep staging algorithm reached accuracies of 76-78% for 4-stage classification (light, deep, REM, and wake) compared to gold-standard polysomnography.
April 14, 2022
Research & Validation
Results in Nature Scientific Reports show that researchers have been able to use data from Oura to build real-time risk scores for identifying COVID-19 cases.
March 29, 2022
Research & Validation
Biosignals from the Oura Ring (heart rate, heart rate variability - HRV, respiratory rate, temperature, and activity) could collectively detect signals associated with the onset of COVID-19.
March 02, 2022
Research & Validation
Signals from the Oura Ring correlate with antibody levels following COVID-19 vaccine.
February 14, 2022
Research & Validation
results show that Oura Ring’s nighttime temperature data would have been able to identify pregnancies early - an average of 5.5 days after conception and an average of 9 days before they received a positive at-home pregnancy test.
August 23, 2021
Research & Validation
August 03, 2021
Research & Validation
Researchers at Oura partnered with the University of Oulu to explore whether Oura Ring temperature data could be used to monitor menstrual cycle phases and predict menstruation and/or ovulation.
June 22, 2021
Research & Validation
Researchers at the National University of Singapore (NUS) teamed up with Oura to analyze sleep data from over 100,000 individuals to uncover the effect of COVID-19 lockdowns on sleep health across the globe.
April 30, 2021
Research & Validation
Oura’s infrared PPG sensor matched performance with clinical-grade ECG and consistently outperformed other PPG tools
April 08, 2021
Research & Validation
"...this is the first study demonstrating that a validated consumer wearable device that measures sleep—i.e. Oura — can be used to predict symptoms of depression and anxiety."
February 26, 2021
Research & Validation
Researchers studying NASA’s undersea extreme environment, “NEEMO” (Extreme Environment Mission) used Oura to study sleep.
January 29, 2021
Research & Validation
The Delano Lab at Swarthmore College used Oura Ring to investigate whether individualized sleep data can be leveraged to personalize health recommendations.
January 21, 2021
Research & Validation
Researchers in the Kriegsfeld Lab at the University of California, Berkeley (UCB) discovered that by looking at Oura Ring patterns for the first 1-2 weeks of the menstrual cycle, they could anticipate the LH surge days in advance for 100% of participants.
January 15, 2021
Research & Validation
After pulling together past research and insights from 2020, we’ve compiled patterns that may help us better understand the pandemic’s impact on our bodies. These patterns are not intended to be end results but rather conversation starters for our future health and lifestyle decisions.
December 22, 2020
Research & Validation
A research team at the University of California, San Francisco (UCSF) has published early results from a large-scale COVID-19 study, TemPredict, revealing that the Oura Ring's temperature sensor could be an effective tool for fever monitoring and early illness detection.
December 14, 2020
Research & Validation
Oura performance matches near-perfect with the research-grade iButton at >99% under lab conditions, and 92% under real world conditions.
December 07, 2020
Research & Validation
In 2019, LifeTraq chose Oura as the leading wearable technology to join their IRB-approved pilot study on whether wearables could predict addiction relapse and improve recovery outcomes. The pilot supports ongoing innovation in LifeTraq’s partnership with the addiction treatment center, The Sanctuary.
November 12, 2020
Research & Validation
In an analysis that compared Oura’s photoplethysmography (PPG)-derived respiratory rate metric to an electrocardiogram (ECG)-derived method, the Oura Ring was shown to be accurate within 1 breath per minute across the entire night when compared to medical-grade research tools.
September 09, 2020
Research & Validation
UCSF is testing whether physiological data collected by the Oura Ring, combined with responses to daily symptom surveys, can build an algorithm to identify patterns of, onset of, progression of, and recovery from, COVID-19.
August 31, 2020
Research & Validation
Compared to medical grade ECG, Oura was found to have 99.9% reliability for Resting Heart Rate and 98.4% reliability for Heart Rate Variability.
August 27, 2018
Research & Validation
Read more about Oura's EMF safety readings and Bluetooth capabilities.
August 10, 2018
Research & Validation
The Finnish Occupational Health Institute has validated the Oura Ring against the gold standard sleep laboratory test—polysomnography (PSG).
February 09, 2016