Gina Johnson
The Xiaomi Mi Band 4 is an affordable fitness tracker that can monitor your daily activity and health metrics such as blood oxygen levels, stress, and sleep patterns. The Mi Band 4 can track light and deep sleep, as well as your heart rate during sleep, to help you adjust your sleep patterns. To enable sleep tracking on the Mi Band 4, you need to open the Zepp Life app, tap on the Profile tab, select your device under the My Devices section, tap Health Monitoring, and finally, toggle on Assisted Sleep Monitoring under the Heart Rate section. It's worth noting that the Mi Band 4's sleep tracking function only works at night and is based on movement variables from falling asleep to waking up.
| Characteristics | Values |
|---|---|
| Sleep tracking | Tracks light and deep sleep, sleep duration, sleep and wake times, and heart rate during sleep |
| Sleep quality analysis | Provides snippets of information, such as not getting enough sleep or worse sleep quality than usual |
| Sleep regularity | Displays the previous night's sleep compared to the last week's trend |
| Sleep breathing quality | Monitors breathing quality through blood oxygen sensors |
| Sleep tracking apps | Compatible with the Zepp Life and Xiaomi Wear apps |
| Sleep tracking accuracy | Total sleep duration is usually accurate, but the device lacks nuance in recognizing sleep stages |
| Battery life | Enabling sleep tracking may reduce battery life |
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What You'll Learn
Set up sleep monitoring
To set up sleep monitoring on your Mi Band 4, you can use the Zepp Life app. Open the app and tap on the Profile tab. Then, select your Mi Band device under the "My Devices" section. Next, tap "Health Monitoring". Here, you can toggle on "Assisted Sleep Monitoring" under the Heart Rate section. This feature increases the heart rate measurement frequency when the device detects you're asleep, providing useful blood oxygen saturation information during sleep.
Additionally, you can enable the Auxiliary Sleep Test in the Mi Band 4 settings. This feature may reduce battery life, but it will allow you to track your sleep and receive insights on your sleep quality. The Mi Band 4 uses motion detection to track sleep, so it is important to wear the device correctly, with a snug fit on your arm, to ensure accurate readings.
If you are using an Android device, you can also integrate your Mi Band 4 with the "Sleep as Android" app. This integration provides advanced sleep tracking features such as wake-up in the light sleep phase, anti-snoring, and lucid dreaming vibes on your bracelet.
It is worth noting that the Mi Band 4's sleep tracking function only works at night and cannot detect sleep during the day. The device uses movement variables to track sleep, from the moment you fall asleep to the time you wake up. By using the Mi Band 4's sleep tracking features, you can gain insights into your sleep patterns and make adjustments as needed to improve your sleep quality.
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Track sleep breathing quality
The Xiaomi Mi Band 4 supports 24/7 heart rate monitoring and sleep tracking. It can track light and deep sleep, as well as heart rate during sleep to help you adjust your sleep patterns.
To track your sleep breathing quality, you will need to enable the "Assisted sleep monitoring" setting. This increases the heart rate measurement frequency when the Mi Band detects you're asleep. Here's how to do it:
- Open the Zepp Life app.
- Tap the "Profile" tab.
- Select your Mi Band 4 device under the "My Devices" section.
- Tap "Health monitoring".
- Toggle on "Assisted sleep monitoring" under the "Heart rate" section.
By enabling this setting, you will be able to get a breathing quality score, which is based on blood oxygen saturation information during sleep. This can be useful in understanding your sleep quality and making any necessary adjustments to improve your sleep.
It is important to note that the Mi Band 4 may not be as accurate as other dedicated sleep tracking devices such as Fitbit or Apple Watches in recognizing different stages of sleep. However, it can still provide valuable insights into your sleep patterns and help you make informed decisions to improve your sleep quality.
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Understand sleep quality analysis
The Mi Band 4 can track sleep quality by monitoring your sleep breathing quality, which is the blood oxygen saturation percentage. This is a valuable feature that provides insights into your sleep quality and can help you adjust your sleep patterns.
To enable sleep quality analysis on your Mi Band 4, you can follow these steps:
- Open the Zepp Life app on your smartphone.
- Tap on the "Profile" tab to access your profile settings.
- Select your Mi Band 4 device under the "My Devices" section.
- Tap on "Health Monitoring" to access health-related features.
- Toggle on "Assisted Sleep Monitoring" under the "Heart Rate" section. This will increase the frequency of heart rate measurements when the device detects that you are asleep.
- Adjust the band to fit snugly on your arm, ensuring it is not too tight.
Once you have enabled sleep quality analysis, your Mi Band 4 will track your sleep and provide data on various sleep metrics. These include sleep duration, sleep and wake times, and sleep stages (light sleep and deep sleep). The device uses a built-in accelerometer to detect motion and a heart rate sensor to estimate when you fall asleep.
It's important to note that while the Mi Band 4 can provide valuable insights into your sleep patterns, it may not be as accurate as specialised medical equipment like polysomnography. However, it can still help you identify trends and make adjustments to improve your sleep quality.
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Improve sleep tracking accuracy
To improve the sleep-tracking accuracy of your Mi Band 4, you can try the following:
Firstly, ensure that you are wearing the band correctly. It should be worn snug on your arm but not too tight. This is important for the device to accurately detect your body movements and heart rate.
Next, you can enable the "Auxiliary Sleep Test" function in the Mi Band 4 settings. This will increase the heart rate measurement frequency when you are asleep, providing more detailed data. However, it is important to note that this may reduce the battery life of your device.
Another way to improve accuracy is to utilise the "Smart DND" feature. To do this, open the Mi Fit app or the Zepp app on your phone and connect your Mi Band 4. Go to your profile, tap on your device, and scroll down to "Automatic Heart Rate Monitoring". Choose "Automatic Heart Rate Monitoring and Sleep Assistant", and set the frequency of detection to 1 minute. Then, enable "Activity Heart Rate Monitoring" and the "Heart Rate Alert". Finally, ensure that the band is worn about 1 cm away from your wrist and fastened firmly. This trick may also reduce the battery life of your device.
While the Mi Band 4 can provide valuable insights into your sleep patterns, it is important to remember that all fitness trackers have a margin of error. Therefore, it is recommended to focus on general trends over time rather than spot accuracy. Additionally, the accuracy of sleep trackers is still a developing field, and they may not provide meaningful sleep analysis beyond tracking time in bed.
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Integrate with Sleep as Android
To enable sleep tracking on your Mi Band 4 and integrate it with Sleep as Android, follow these steps:
First, ensure your Mi Band 4 is set up correctly and paired with your phone. Download the Mi Fit app from the Google Play Store or Apple App Store, and
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Frequently asked questions
The Mi Band 4 supports sleep tracking. To enable it, go to the "Auxiliary Sleep Test" menu item in the selection menu for sleep detection. You will then be prompted with a warning that the feature may reduce your battery life. Click "OK".
The Mi Band 4 uses a built-in accelerometer to detect motion and a heart rate sensor to estimate when you fall asleep. It can also monitor your breathing quality by tracking the blood oxygen saturation percentage.
While the Mi Band 4 is not the most in-depth sleep-tracking solution, it is still quite reliable. The total sleep duration is usually accurate, but it lacks nuance in recognizing sleep stages. To improve accuracy, make sure the band is snug on your arm.
