Do it now. Lack of objectives. By failing to establish goals and plans, you are preparing to fail. Activity becomes random and misdirected. Unless you establish priorities, you risk spending time in efforts that are unrelated to your real objectives.
Deadlines are necessary to insure that tasks are completed.
Establish objectives, priorities, and deadlines. Keep them realistic, but stick to them. That's what time management is all about. We engage in fighting fires rather than in preventing them. Optimizing our use of time requires that we distinguish between the urgent and the important.