It seems – from experience – that from time to time it can be good to take a break even from a good habit.
A research article, tackling the issue of taking a break from good habits. Find out why and what are the benefits and is there any concrete evidence that it is useful.
Ther are many kinds and reasons for procrastinating. One of the worst is “perfectionism.”
A book about the principle of not waiting for something to be perfect, but doing it ASAP even it might fail is a better decision. Theory, research, case studies, practical advice, and everything about the how and why of this principle.