A thirty-item list is a comfort blanket. You can always do the easy ones and avoid the one that matters.
Three tasks forces honesty. If you cannot finish three, the problem is scope — not discipline.
Evening planning pairs well with morning execution: write tomorrow's three before bed, then report completion the next day.
Productivity accountability works when the check-in is simple — did you finish what you said you would? Yes or no.
Pick three tasks tonight. Ship them tomorrow. Check in.