SleepLog - Adding heart rate

Has anyone already tried adding heart rate to SleepLog?

A single max heart rate like sleepHR that says to only consider sleep if heart rate is below that value (in my case ~58-60bpm).

Based on motion alone I get a lot of false positives during the day based on motion, if I'm at my desk for 30 min, or at the dentist, etc. (And then there's often a base level of ~50-80 reported even if I'm not wearing the watch...)

I've been trying the heart rate plan and I still get false positives if the heart rate gives a 0 for whatever reason, so I've also considered holding onto the most recent nonzero for a while.

I also considered trying to store min/max heart rate and basing sleep on the lowest 15th percentile. But for myself just setting a bpm is easy enough.

I suppose you tried tweaking the threshold settings that's already there?

Not saying the suggestion is a bad one 🙂

Yep. It's a bit of a tight rope.
Average motion when I'm actually asleep is about 125.
Average motion during a movie or reading a book is about 102-180.
Average heart rate when I'm asleep is 54.
Average heart rate during a movie/reading is about 64.

So using only motion, it comes down to consecutiveness, which can get close. But then if I read before bed, it counts it as sleep. And I tend to look at the app loader interface, rather than the watch app, so it doesn't cut out the mid-day things as well.

I'm still testing this out, and if sleeplog works fine for everyone else, that's fine. Just wanted to make sure I mentioned it while they were thinking about how to sync it to gadgetbridge, and/or see if it was just a "I need to move more while reading" thing. :P

I have similar problems with false positives, and they don't seem completely avoidable by tweaking the settings. I had kind of wondered myself if adding heart rate to the metric could theoretically improve accuracy, but I'm not sure of exactly how that should fit into the algorithm.

Yeah, after a week or two I noticed my heart rate wasn't foolproof either, so I've held off submitting any changes.

There is someone working on syncing to Sleep as Android and/or a sleep algorithm in Gadgetbridge, so I'm just silently cheering them on and hoping for the best:

https://codeberg.org/Freeyourgadget/Gadgetbridge/pulls/3785

https://codeberg.org/Freeyourgadget/Gadgetbridge/pulls/3802