Regarding the "awake" state, my watch seems to detect me as being awake very intermittently throughout the night. Now I'm a light sleeper, as you can tell from the attached image from last night, but I'm pretty sure I'm not awake at all the times indicated. Back when I used the Gear S3, it detected me as "motionless" for the bulk of the night. Is this how everyone else's sleep is looking in terms of the awake state?
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I am having exactly the same. Gear S3 was lacking details in sleep tracking but was able to kind of correctly show when awake and when not. The galaxy watch (46mm) shows what's in your screenshot. Lot of awake moments and 0 deep sleep. Continuous is on, sleep mode on.