Originally Posted by
MoAlpha
The body battery/stress thing sounds sort of hokey and doesn’t give the absolute metrics one might like, but it tracks faithfully with HRV and might be slightly better in practice.
The new Garmin system on my boat gives me my “Suck Factor,” which goes up after a particularly slow tack or dumbass tactical move. I find it very helpful.
The stress feature is literally just a graphical way of showing whether HRV is increasing or decreasing.