due to kids, stress, maybe being over 50 I get a bad night sleep from time to time. When I have a hard training session scheduled for the next morning I find my performance predictably is off (heart rate up, tank empty). So my question is - am I better off skipping that workout or doing it as best I can? For example, yesterday I was supposed to do 3x15 minute intervals at threshold (300 watts). I managed 1 @15 minutes @ 296W, 1 at 13 minutes @289W, and the 3rd was 7 minutes @ 291W. I made the conscious choice to try to stay at the designated power level and bail on the minutes. But should I have gone for the time even if the power output declined (putting forth whatever effort I could muster)?
BTW this was an interesting field test contrast between HR and RPE and power. My HR was high, the RPE was high, but my power level was dropping fast.
and I am real glad today is a rest day! thanks in advance for your insights.