alt Hacker NewsI've tracked sleep using a number of devices and algorithms and I haven't found a single one that regularly aligns with what and how I feel.
I know it's tracking real data, but the conclusions feel completely made up.
What are other people's experience -- especially from those who are more bullish about sleep tracking?
Replies
guzik • yesterday at 11:23 PM
by tracking sleep, what exactly do you mean by that? sleep phases, sleep score, sleep duration?
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dmvaldman • yesterday at 11:32 PM
it's a lot of work, but something you could do is track how you feel (manually or some other way) and do a similar statistical analysis. chess elo was just convenient and aligned for me.
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I track sleep and energy levels with a galaxy watch and there's a strong correlation with how I feel on a given day. Sometimes it surprises me, and day where I wake up thinking I slept well but after an hour or two I'll realize my energy level isn't great, and sure enough I'll check the app and see it's low, with a warning about my sleeping HRV or resting heart rate being away from my norm.
It's not perfect - there are definitely days when it's wrong. But overall I have a target of keeping my sleep and energy scores in the 90s and it's helpful. I think the most important thing is to keep in mind that it's an imperfect measurements but it's still the best one most of us have for now.