@KingK0ng I always get relatively little deep sleep with Suunto. With Xiaomi, I get quite a bit more. These days, I wouldn’t care if the time was at least recorded halfway accurately and the HRV data were reliable.
I sleep around 7 hours fairly regularly, and this is what I get:
[image: 1758621179398-screenshot_2025-09-23-05-51-35-089_com.stt.android.suunto-edit.jpg]
But of course, I also see the problem with the data recording. My minimum heart rate while awake and while asleep are pretty close together.
[image: 1758621217543-screenshot_2025-09-23-11-48-31-324_com.stt.android.suunto-edit.jpg]