Earlier quoted context omitted.
Did you read the article? "I work less than I thought I did and that's ok"
I did. But it also mentions procrastination as a -4 point and sleep as a 0. And my sentiment is also from reading some of the comments here. So many people obsessed with productivity. Some have a clear reason to do so, but I fear many do it because of outside pressures, or never even thought about it.
Sleeping is basically neutral (maybe it should give 0.5 points instead or something small that doesn't dilute the rest of the scoring system).
I'd also score procrastination negatively even if you are not obsessed with productivity. Procrastination can easily cause negative feelings (and for me is probably one of the biggest sources for them) and can be viewed as a separate thing as dedicated downtime.