Feature request: biceps HRV measurement optimization

Hey whoop Team,

I would like to suggest and understand if you could and when to expect a better algorithm for permanent biceps wear.

I understand with PPG there are some different raw data results to be expected wrist vs biceps but generally of higher quality on biceps if processed accordingly.

Currently I assume you are fully optimized for wrist.

I do see significant inaccuracies in the stress score when worn on biceps and assume this is due to wrong HRV interpretations as your algorithms expect a wrist placement.

HR accuracy seem to already be more accurate on biceps.

are there any plans to also include biceps in your processings for the day wear?

Night time I would still prefer wrist for the comfort.

Thanks!

Jakub

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