Blood Oxygen Monitoring on WHOOP

WHOOP includes pulse oximetry, which enables you to check your daily blood oxygen levels.

What is Blood Oxygen Monitoring?

Monitoring your blood oxygen level is simply checking the amount of oxygen you have circulating through your bloodstream. It can be done very easily through a process called “pulse oximetry.” The oxygen level of your blood is measured as a percentage, referred to as SpO2. If the oxygen saturation of your blood drops too low, it may be symptomatic of several potential health issues.  

How Does WHOOP Track Blood Oxygen?

WHOOP implements the same technology to calculate SpO2 on your wrist. Here’s how it works:

• The LEDs shine two different wavelengths of light through the surface of your skin to your blood vessels
• The light is reflected back to the photodiodes, with one wavelength being absorbed better by oxygenated hemoglobin and the other absorbed better by non-oxygenated hemoglobin
• The relative amounts of light that get absorbed can be used to determine how much oxygen is in your blood, and that percentage represents your SpO2 level

WHOOP measures your blood oxygen level each night while you are asleep in order to get as reliable and consistent readings as possible. Every morning, you can check your SpO2 in Health Monitor.  

Where is Blood Oxygen Displayed in the WHOOP App?

SpO2 can be found via health monitor in the WHOOP app.

Why is Knowing Blood Oxygen Levels Useful?

Normal SpO2 levels range from 95% to 100%. Low blood oxygen levels may be caused by a number of health problems. For example, If you have COVID-19 and are experiencing other symptoms, low blood oxygen can be an indicator that you should seek medical attention. High-altitude conditions where there is less oxygen in the air can also have an effect on your SpO2. Monitoring your blood oxygen levels regularly is very useful for athletes who are training at high altitude to ensure they are not pushing themselves too hard in a new environment. Knowing your baseline metrics has never been more important, and the new Health Monitor feature alerts you via a color-coded system if your SpO2 or other vitals stray beyond their typical range.

Learn More: What is Blood Oxygen, What Are Normal Levels & How to Measure It How to Increase Blood Oxygen Level. The products and services of WHOOP are not medical devices, are not intended to diagnose COVID-19, the flu or any other disease, and should not be used as a substitute for professional medical advice, diagnosis or treatment. All content available through the products and services of WHOOP is for general informational purposes only.