Galaxy watch 42mm not recording sleep

[Portlandmike91]

I have had this problem a few different times now. This last week my watch has stopped recording my sleep data. Nothing has changed on my end, still using the watch the same as I have since the beginning. Not sure what's wrong but this is the main reason I have the watch. 

[Wolfrunner]

Same problem on same watch since Thursday. My problem is caused by the watch not recording heart rate every 10 mins. Set HR recording to continuous last night and sleep okay this morning. When set to 10min intervals only records hourly. Oddly at xx.50hrs.

[cholmondely]

Mine worked perfectly until last update will try heart on continuous see if it is better ,for me the sleep pattern is important

[Uncle_Nickolai]

I HAD THIS ISSUE AND FIXED IT ON A WHIM

For whatever reason, changing watch faces TWICE fixed it after the most recent update

[Nikolay Atanasov]

THIS SOLVED MY PROBLEM TOO!

After I changed the watchface to the stock one (Weather Center) and then switched back to the one I'm using (Casual Minimalist), the watch immediately showed my last sleep tracking from today.

Thank you for sharing this, I just registered here to thank you!

[fx2050]

just got my watch 5 and 1st night i have no sleep data on watch but my phone app shows 7hrs.  

no rem info etc

do i need constant heart monitoring or is this a bug like with teh changing of watch faces?