Hi,
Firmware (still): 6.12
Instinct 2 Solar Tactical
I'm using the watch for almost two weeks now and sleep recording has been excellent so far. Today I woke up and sleep widget on my watch is showing 'No sleep data recorded'. Syncing with Garmin Connect does not show any sleep data, too. Tried restarting the watch and syncing - apparently the data is not there. As I'm writing this I checked the widget and it shows some sleep data (I woke up briefly in the morning and watch shows the data till this point). This might not be firmware fault at all - maybe some Garmin Connect backend server had a hiccup.
Anyone else experienced it?