WHOOP has been around for a long time, focusing on the analysis of sleep efficiency. Of the several devices I have tested, this is the most convenient. I think a combination of your analyses would be interesting.
Hello Konrad, the API seems to be opened, but the data they are providing are aggregated, we need a direct access to the sensor data, so we can perform our analysis in real time. This API only sends the information about which sleep phase they already estimated.
). I’m uploading combined screenshots from both apps.