Hi Marco. Thanks for the valuable insights, in fact I am somewhat struggling between hrv4training data and then, Oura recommendations. This summer deep sleep apparently hasn’t been so easy (Oura says) - but then HRV morning measures give me green light, so I go for it since I feel good. What is your opinion on accuracy for time in sleep phases measurements a ring does with PPG? I really appreciate your criteria and work. Thanks
Sleep stages are estimates, and come with a degree of (in)accuracy. As such, I would take them with a pinch of salt, especially if your actual physiological data (HRV) is not impacted AND (most importantly) you are feeling good. Measuring brain waves is the only valid way to look at sleep stages, but even then, we don't really know what are the implications of longitudinal changes, what is normal, etc. - hence the actionability would still be very limited in my opinion.
Hi Marco, I really enjoy reading your insights. This last post and sensors reminded me to ask you if you have any experience with https://www.movesense.com (or products based on this sensor/white labeled)? Given it is ECG based I figure it should be as accurate as the polar H10? Movesense is on my radar personally because I'm interested in building a self-tracker system that also includes movement and temperature + HR/HRV and does not depend on a phone. I'm thinking about getting a development kit to learn more.
Hi Marco. Thanks for the valuable insights, in fact I am somewhat struggling between hrv4training data and then, Oura recommendations. This summer deep sleep apparently hasn’t been so easy (Oura says) - but then HRV morning measures give me green light, so I go for it since I feel good. What is your opinion on accuracy for time in sleep phases measurements a ring does with PPG? I really appreciate your criteria and work. Thanks
thank you Tony.
Sleep stages are estimates, and come with a degree of (in)accuracy. As such, I would take them with a pinch of salt, especially if your actual physiological data (HRV) is not impacted AND (most importantly) you are feeling good. Measuring brain waves is the only valid way to look at sleep stages, but even then, we don't really know what are the implications of longitudinal changes, what is normal, etc. - hence the actionability would still be very limited in my opinion.
https://marcoaltini.substack.com/p/a-framework-to-make-better-use-of
Thank you again for your support and all the best!
Hi Marco, I really enjoy reading your insights. This last post and sensors reminded me to ask you if you have any experience with https://www.movesense.com (or products based on this sensor/white labeled)? Given it is ECG based I figure it should be as accurate as the polar H10? Movesense is on my radar personally because I'm interested in building a self-tracker system that also includes movement and temperature + HR/HRV and does not depend on a phone. I'm thinking about getting a development kit to learn more.
thank you Dane, it should be a good indeed.