Thanks a lot Kam for sharing your detailed thoughts, recommendations, and feedback!

I think one of the most important points you made is knowing that these devices aren’t perfect, and using the same device repeatedly to track relative changes, rather than obsessing about (and comparing) absolute values.

Also knowing the strengths and weaknesses of each device/method can help understand what to trust and what to question. For example with the Oura, I trust its night time HRV measurements a lot, because they made some deliberate design choices (like using infrared rather than visible light) to get the most accurate measurements during sleep. On the flip side, this makes their readings much more sensitive to movement and other factors, and less useful during the day.

The other key point you made is to use these devices as a guide, rather than a definitive answer. Our medical/biological understanding is still so limited, and on top of that the devices we use for tracking are far from perfect, which makes it dangerous to rely too much on data. We shouldn’t forget just to listen to what feels right.

Again, thanks for sharing your thoughts, really appreciate it.