I’ve always found deadlines to be strangely helpful when needing to come up with new ideas and content. This would definitely fit into what Scott H Young calls the Push.
What he’s established are the misuses of deadlines, as well as when to use deadlines for completing projects.
Attributes of a Good Deadline
Objective - Have you reached your goal? If the answer can’t be answered with either yes or no, you need to rephrase it. Vague goals are useless...