The heart rate tracking feature on your Apple Watch is a great way to monitor your health and fitness. However, there might be times when you notice that your Apple Watch is not tracking your heart rate as intended.
This can be due to various reasons, from hardware issues to minor software glitches. Fortunately, there are a few fixes you can try to get your Apple Watch to track your heart rate properly again.

1. Check Your Wrist Placement
The heart rate sensor on your Apple Watch works most effectively when positioned correctly on your wrist. You see, optical heart rate sensors like the one found in your Apple Watch use light to detect heart rate. During workouts or regular movements, the position of the watch may shift, allowing light to escape, which can lead to irregular readings.
So, when working out, especially during high-intensity activities, ensure that the watch is not too low on your wrist; it should sit just above the wrist bone. This will reduce the chances of the watch moving too much and ensure consistent contact with your skin.

2. Check Watch Band Fit
The fit of your watch band plays a critical role in heart rate monitoring. If the band is too loose, the sensors might not maintain consistent contact with your skin. On the other hand, if it’s too tight, it can restrict blood flow, leading to inaccurate readings. Aim for a snug but comfortable fit, ensuring your watch stays stationary during regular movements.
3. Clean Your Apple Watch’s Sensor
Daily usage can lead to sweat and debris buildup on the heart rate sensors of your Apple Watch. When these sensors are obstructed, they might not function optimally.Cleaning your Apple Watchsensors regularly ensures there’s nothing between your skin and the watch, which can help with more accurate heart rate readings.
To clean the sensor, remove the watch from your wrist and place it on a soft surface to avoid scratching it. Then, gently wipe the sensors with a non-abrasive, lint-free cloth slightly dampened with fresh water. When you’re done, let the watch air dry before you put it on.

4. Update watchOS
Apple frequently rolls out software updates to fix known bugs and improve performance. If you haven’t updated your watch in a while, a pending watchOS update might solve your problem.
You canupdate your Apple Watchthrough the Watch app on your iPhone or your Apple Watch directly by going toSettings > General > Software Update. Either way, ensure your wearable is sufficiently charged or plugged in before attempting the update.

5. Restart Your Apple Watch
Like many electronic devices, your Apple Watch sometimes needs a quick restart to function correctly. If your heart rate sensor still isn’t working, this simple solution might just do the trick.
Press and hold the side button, then tap thePower Officon at the top-right corner of your Apple Watch’s display. Then, drag thePower Offslider to the right to turn it off. Now, wait a few seconds, then press and hold the side button again until theApplelogo appears.
6. Reset Your Apple Watch
If all the above solutions fail, then it may be time for you toreset your Apple watch. Doing this will wipe all the data and revert your Apple Watch to its default settings, which might solve any lingering software-related problems affecting heart rate tracking.
To reset your Apple Watch, open theSettingsapp in watchOS and tapGeneral. Scroll down and tap onReset. Then, tapErase All Contents and Settingsand chooseEraseto confirm your action.
Track Your Heart Rate Without Problems
Remember, your Apple Watch is not just a piece of technology; it’s an extension of your health toolkit. So, the next time you encounter a glitch with the built-in Heart Rate app, don’t fret; follow these troubleshooting steps, and you will be back on track in no time.
And, as always, if you continue to experience this issue, don’t hesitate to contact Apple Support or visit an Apple-authorized service provider to get your hardware-related problems fixed.