NavList:

David McN you wrote:  Despite best intentions, my deck log is intermittent, my dead reckoning poor, my mental state tired and my ability to add a few logs is diminishing. I feel as if I should give in to the chart plotter. Am I wrong?

If you’re in deep water, well clear of danger, and so long as it's taking you in the correct general direction, do it, until your rested again.  However, this is why many professional seamen you talk to go batty when you extol the virtues of single-handed sailors.