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Comment by kevinmgranger | Hacker News Reader

I've been unable to get my garmin to track my sleep properly. It has strange ideas about when I fall asleep or when I wake up. Do you have any advice for how to improve that?

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A tighter, but still comfortable, fit. Also I changed the hand on which I wear it overnight. It used to show BS sometimes before the change. I think it depends on the bed and sleep posture.

I do not care about sleep phases or when the watches think I fall asleep, it's approximately correct and that's enough. Hours of sleep mean much less than the body battery increase overnight.

Make sure you are not drinking alcohol, avoid stimulates, and hydrate. If you are doing all that and still not going to 100 might be defective. I wear my watch pretty loose and still get great results. I thought mine was not working at first but turns out was drinking to much coffee and alcohol for my body to actually get to 100. Also make sure you are getting minimum 8 hours sleep. When you are at zero can take 10 - 12 to get up to 100 then you will not be starting from zero each night.

I'm not saying the body battery number was inaccurate. I'm saying it had sleep times and wakeup times that had nothing to do with when I was even in bed.

Check your settings. On mine I need to tell it when I am supposed to be sleeping 11 - 8 that’s how it knows to track sleep. It’s show me sleeping every night at 11 even if I’m not. Garmin instinct fyi.

Not exactly an answer to your question, but I ended up getting an Oura ring because of that issue. It's extremely accurate.

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