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Why exactly should I measure my SpO2?

Hi team!

Wanting to get the most out of my watch (FR 955), I am still unsure what SpO2 will do for me? I have read close to everything on Garmin's webpage around health, training etc., and all I can gather is that "Ox levels are important". I understand the physics/biology of Pulse Ox, and why I want high levels; but how is Garmin using these readings and take them into consideration for my recovery, training readiness etc. I suppose they are not - so a question to you all: why would I want to "waste" battery life on getting this information?

From what I can tell, it's - for now at least - targeted climbers and people training in higher altitudes they haven't acclimatised to yet, correct? Would to learn I have missed something and that I absolutely should keep it enabled.

And if it indeed doesn't do anything in terms of algorithms, perhaps GARMIN could pitch in and let me know your thoughts on this, and what your plans with Pulse Ox are?

Thanks in advance!

Best

Jacob

(Note: I have "very high" (normal) levels and I only do a reading on demand, and very infrequent.)