You mean like this: https://support.google.com/fit/answer/10477667?hl=en#:~:text=Measure%20your%20heart%20rate&text=At%20the%20bottom%2C%20tap%20Home.&text=Touc

You mean like this: https://support.google.com/fit/answer/10477667?hl=en#:~:text=Measure%20your%20heart%20rate&text=At%20the%20bottom%2C%20tap%20Home.&text=Touch%20and%20lightly%20hold%20your,in%20a%20well%2Dlit%20room https://support.google.com/fit/answer/10477667?hl=en#:~:text... ?