Sleep score with details is intermittent

[Chrisbla]

Over the past couple of months my sleep data intermittently does not display the sleep stages and heart rate info. It works fine for a while then will go several days missing this data.  Last time I had to uninstall then reinstall the app which is very inconvenient. No tattoos or changes on my end. Haven't had complete sleep tracking in several days now. Anyone else have some insight on this? Thanks.

[DavidFitbit]

Hi @Chrisbla. I hope you're doing well! Let me help you with your missing sleep score.

I appreciate the troubleshooting steps you have already tried.

In order to get a sleep score, you need to receive sleep stages. If you received a sleep log, but it only includes your sleep pattern (which shows your time asleep, restless, and awake) check the following possible causes:

• You might have slept in a position that prevented your device from getting a consistent heart-rate reading or wore it too loosely. For best results, wear your device higher on your wrist (about 2-3 finger widths above your wrist bone). The band should feel secure but not too tight.
• Sleep stages require at least 3 hours of sleep. If you slept for less than 3 hours, you won’t receive sleep stages.
• Your device's battery might be critically low. To check your current battery level.

If you got your sleep pattern instead of sleep stages, tap on the sleep record that shows your sleep pattern. You should receive an explanation why sleep stages may be missing.

I hope these tips will help you find your sleep score!

[Chrisbla]

Thanks David. I have tried all of the already published tips. I always sleep in the same position and normally same amount of time, which is more than 3 hours. Battery level is not low. 

[DavidFitbit]

Hi @Chrisbla. Thank you for your response.

Have you gotten at least your sleep pattern? If yes, tap on the sleep record that shows your sleep pattern. You'll see an observation about the reason of your missing detailed sleep log.

I look forward to your response. Have a great day!

[Bill_209]

@Chrisbla , my wife never gets sleep stages and I suspect that is because the optical heart rate sensor that the Charge 6 uses to measure heart rate is unable to reliably measure Heart Rate Variance, which is one of the metrics used to determine sleep stages.

Try using the ECG App to run an ECG test.  If the ECG test returns anything other than a 'Normal' sinus rhythm result, then the probabilility of getting sleep stages returned becomes greatly diminished.

[Chrisbla]

• @Bill_209I believe you are correct!  I thought it might be related to irregular heart beats but couldn't narrow it down to specific days. I almost always have them but always got complete sleep data until recently. I have been experiencing a lot of PVCs lately and new medication has my resting HR in the 40's, still with some Irregular beats here and there. My ECG on my watch never even gives a result, always an error but I am able to get results with another device. Normal sinus rhythm with PVCs. Hoping once I get the PVC'S resolved I can get sleep data back

Thanks!

[Chrisbla]

Do you mean Sleep Duration or Timeline? I don't see Pattern anywhere. 

[Bill_209]

Fitbit defines Sleep Patterns as the basic Awake, Restless and Asleep timelines, as opposed to getting the actual sleep stages.