How do I track my estimated oxygen variation in the Fitbit app? (2024)

Expand allCollapse all

What’s estimated oxygen variation?

Estimated oxygen variation (EOV) is an approximation of the changes in your blood oxygen saturation levels. Your blood oxygen saturation level is the percentage of your blood that’s saturated with, or contains, oxygen. Typically, your blood oxygen saturation level is between 95–100%, which means your blood is carrying as much oxygen as it can. The oxygen levels in your blood tend to remain relatively constant, even during exercise and sleep. If you stop breathing or have lung issues, your blood oxygen saturation level can fall as less oxygen enters your body (source).

Note that your Fitbit device is not intended for medical purposes. Consult your health care professional about any questions or health issues you may have.

How do I track estimated oxygen variation with my Fitbit device?

EOV tracking is available on these devices:

  • Fitbit Charge 3
  • Fitbit Charge 4
  • Fitbit Charge 5
  • Fitbit Charge 6
  • Fitbit Inspire 3
  • Fitbit Luxe
  • Fitbit Sense series
  • Fitbit Versa series
  • Google Pixel Watch series

Your device tracks your EOV while you sleep using red and infrared sensors on the back of the device. The sensors shine red and infrared light onto your skin and blood vessels, using the color of the light that bounces back to approximate how much oxygen is in your blood:

  • Richly oxygenated bloodisredand reflects more red light than infrared light.
  • Poorly oxygenated bloodisbluish redand reflects more infrared light than red light.

Wear your device to bed, and check your EOV graph in the morning in the Fitbit app. For instructions, seeHow do I see my estimated oxygen variation data in the Fitbit app?

How do I see my estimated oxygen variation data in the Fitbit app?

  1. From the Today tabHow do I track my estimated oxygen variation in the Fitbit app? (1)in the Fitbit app, tap theSleep durationtile then tap estimated oxygen variation.
  • To select other days:
    Use the week, month, or year tabsHow do I track my estimated oxygen variation in the Fitbit app? (2) tap a sleep session How do I track my estimated oxygen variation in the Fitbit app? (3) estimated oxygen variation.

Sync your Fitbit device each morning to see last night's sleep stats in the Fitbit app.

How do I read the estimated oxygen variation graph in the Fitbit app?

The estimated oxygen variation graph shows an estimate of the variations in your blood oxygen saturation levels throughout the night:

How do I track my estimated oxygen variation in the Fitbit app? (4) Low variations
show that your estimated blood oxygen saturation levels remained consistent.
How do I track my estimated oxygen variation in the Fitbit app? (5) High variations
show that your estimated blood oxygen saturation level fluctuated. A high variation on the graph may indicate you had variations or disturbances in your breathing during sleep.

Consult your health care professional about any questions or health issues you may have.

How do I track my estimated oxygen variation in the Fitbit app? (6)

What do my results mean in the estimated oxygen variation graph in the Fitbit app?

Low variationsin your estimated oxygen saturation levels are typical (source). Frequenthigh variationson your estimated oxygen variation graph may indicate that you experience breathing disturbances during sleep. Breathing disturbances can lead to higher than expected variations in blood oxygen levels, which can indicate that your body is not getting enough oxygen while you sleep. If you frequently see high variations on your graph, consider talking to your doctor, particularly if you experience symptoms such as excessive tiredness, loud snoring, or gasping during sleep.

Other factors, including your arm position and certain physical characteristics, can affect your estimated oxygen variation readings, making them appear to be more variable. Make sure your Fitbit device is snug and secure on your wrist. For more information, seeHow do I wear my Fitbit device?

Note that your Fitbit device is not intended for medical purposes. Consult your health care professional about any questions or health issues you may have.

Can I edit the estimated oxygen variation graph in the Fitbit app?

You can’t directly edit your EOV graph. However, if you edit a sleep log, the times you went to sleep and woke up are adjusted on your EOV graph as well. For more information, seeHow do I track my sleep with my Fitbit device?

Why don’t I see an estimated oxygen variation graph in the Fitbit app?

If you move frequently during sleep, the movement can interfere with the light that bounces back to the sensors on your device.

To receive EOV data, note the following:

  • Make sure your Fitbit device is snug and secure before you go to sleep. For more information, seeHow do I wear my Fitbit device?
  • Make sure your Fitbit device is charged.
  • You must have Charge 3, Charge 4,Charge 5,Charge 6, Inspire 3, Luxe, Sense series, Versa series, or a Google Pixel Watch series device.
  • You must sleep 3 or more hours.

Was this helpful?

How can we improve it?

Need more help?

Try these next steps:

Post to the help community Get answers from community members Contact us Tell us more and we’ll help you get there
How do I track my estimated oxygen variation in the Fitbit app? (2024)

FAQs

How do I track my estimated oxygen variation in the Fitbit app? ›

From the Today tab in the Fitbit app, tap the Sleep duration tile then tap estimated oxygen variation.

How to read oxygen variation on Fitbit app? ›

To view it, open the mobile app and look at your daily summary. Sleep should be one of the categories of data tracked while you're wearing the Fitbit. If you scroll down past the hours tracked and sleep stages, you should see a section called Estimated Oxygen Variation.

Why does my Fitbit not show oxygen variation? ›

If you move a lot during your sleep or the sleep session is too short, you might not get SpO2 data. Charge your Fitbit device to make sure it's able to collect data throughout your entire sleep session. Note that you may have to charge your Fitbit device more often when using an SpO2 clock face or app.

How to track oxygen on Fitbit? ›

In the morning, open the Fitbit app and tap the Health Metrics tile. 3. Tap Oxygen Saturation. Note that for Versa, Versa Lite Edition, and Versa 2, SpO2 data is only collected when you use an SpO2 clock face.

Why is my Fitbit not tracking my oxygen level? ›

To get SpO2 information, you need to: Wear your device for at least a full day, including to sleep at night. In the morning, open the Fitbit app and tap the Health Metrics tile. Swipe up to find the Oxygen Saturation (SpO2) tile.

Should I be worried about low oxygen variations on Fitbit? ›

What do my results mean in the estimated oxygen variation graph in the Fitbit app? Low variations in your estimated oxygen saturation levels are typical (source). Frequent high variations on your estimated oxygen variation graph may indicate that you experience breathing disturbances during sleep.

What should oxygen variation be during sleep? ›

Normal and Dangerous Oxygen Levels During Sleep

Normal blood oxygen levels vary from person to person, but for most it's around 95% to 100% regardless of whether they are asleep or awake. A blood oxygen level below 92% may be a cause for concern, while a level below 88% requires prompt medical attention.

How accurate is Fitbit for oxygen levels? ›

The data provided by Fitbit SpO2 is intended to be a close estimation of your blood oxygen saturation levels, but may not be precisely accurate. You should not use or rely on Fitbit SpO2 for any medical purposes.

What causes low oxygen levels while sleeping? ›

Sleep apnea and mild lung disease can cause nocturnal hypoxemia — when your blood oxygen levels drop during your sleep. Being at high altitudes can also cause hypoxemia, which is why it can be hard to breathe when you're in the mountains.

How to increase oxygen levels while sleeping? ›

Sleep on your side or elevated: Side sleeping or propping your head and chest up with an extra pillow helps open airways. Use a humidifier: A humidifier can moisten airways and loosen congestion to enhance oxygen flow.

Does Fitbit only track SpO2 at night? ›

With the SpO2 Signature clock face, your Fitbit smartwatch (Fitbit Ionic, Versa family, and Fitbit Sense) will track your average SpO2 levels while you're sleeping.

Is 93 a good oxygen level? ›

75-100 mmHg: Normal arterial oxygen pressure (PaO2) is approximately 75 to 100 millimeters of mercury (75-100 mmHg). Below 75 mmHg: When the levels drop below 75 mmHg, the condition is called hypoxemia. Below 60 mmHg: Levels below 60 mmHg are considered very low and indicate the need for supplemental oxygen.

How do you track oxygen levels? ›

Basically, pulse oximetry is a painless, noninvasive method of measuring the saturation of oxygen in a person's blood. Oxygen saturation is a crucial measure of how well the lungs are working. When we breathe in air, our lungs transmit oxygen into tiny blood vessels called capillaries.

Why didn't my Fitbit track my breathing rate? ›

Make sure the back of your device is in contact with your skin. The band should be snug but not constricting. If you experience any discomfort, loosen the band, and if it persists give your wrist a break by taking it off. Most metrics require at least 3 hours of quality sleep.

Why do my blood oxygen levels fluctuate? ›

Blood oxygen levels can fluctuate based on several different factors like chronic disease, high altitudes, or illness. Some of the more common risk factors or causes of low blood oxygen levels include: Altitude changes, especially high altitude. Sleep apnea.

What is an EDA scan on Fitbit? ›

Physical indications of stress

The EDA scan app tracks changes in heart rate and electrodermal responses—tiny electrical changes on your skin—so you can see how your body responds during mindfulness sessions. See how EDA works. See how well your body is handling stress.

Is The oxygen level on my Fitbit accurate? ›

The data provided by Fitbit SpO2 is intended to be a close estimation of your blood oxygen saturation levels, but may not be precisely accurate. You should not use or rely on Fitbit SpO2 for any medical purposes.

What blood oxygen level is sleep apnea? ›

Oxygen levels are considered abnormal when they drop below 90%. They are severely abnormal when below 80%. 1 People with obstructive sleep apnea (OSA) typically have low oxygen levels because of the pauses in breathing the condition causes during sleep.

How does sleep apnea show up on Fitbit? ›

Newer models of the Fitbit report on almost all of the health data signals used to detect sleep disorders, but they cannot combine that data to diagnose sleep apnea. And it's designed that way on purpose: The Fitbit is considered a “wellness device” and not a medical device, so it is not regulated by the FDA.

What does heart rate variability mean in Fitbit? ›

Heart rate variability is the time between your heartbeats, and it can change from night to night. For example, your heart rate may be telling you that your heart is beating at 60 beats per minute, but that doesn't mean it's beating once every second.

Top Articles
Latest Posts
Article information

Author: Tuan Roob DDS

Last Updated:

Views: 6197

Rating: 4.1 / 5 (42 voted)

Reviews: 81% of readers found this page helpful

Author information

Name: Tuan Roob DDS

Birthday: 1999-11-20

Address: Suite 592 642 Pfannerstill Island, South Keila, LA 74970-3076

Phone: +9617721773649

Job: Marketing Producer

Hobby: Skydiving, Flag Football, Knitting, Running, Lego building, Hunting, Juggling

Introduction: My name is Tuan Roob DDS, I am a friendly, good, energetic, faithful, fantastic, gentle, enchanting person who loves writing and wants to share my knowledge and understanding with you.