Id forgotten about this podcast I’ll have to check it out as I’m playing with HRV. The Elite HRV app with Polar H10 is giving me a wide range of numbers though. It was giving me 80-90 last night and no lower than 65 sitting but doing a plank it only read about 30 and this morning standing just out of the shower it gave me 27. The only thing I can see so far is I’m not a morning person 