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Is There a Compounding Error in the Sleep Staging Algorithm?
When i tested it, they the agerthem that they were using was calculating h r v from five minute periods during the night. And now they've changed it to calculating over the whole night. But there's still the same sort of problem of that compounding error as before. We just have less idea of how much it affects the variables,. So it's a bit of a black box in that sense.