I don't know if this will help, but I am an absolute master of procrastination ... and based on what Stef has pointed out in some podcast or two among the 1,400 of them, this probably goes back to my relationship (or lack thereof) with my authoritarian father.
He insisted on getting up at 5am and start nagging me to get ready for school - 4 hours later! The nagging was also repeated with all other chores. So I took up the "slave response" of passive-aggressive dissociation and procrastination in order to retain control of the interchange. The habit continued through school (always late for classes, always last to complete any task, studying only on the night before any exam) and to this day (paying ALL bills late, completing reports on the last day possible, arriving at the airport 2 minutes before takeoff, preparing for a conference speech in the plane/cab on the way to the venue, etc, etc).
Nothing I can consciously do to change this behaviour ever works (though all would question how hard I actually try to change it). Even giving up smoking is high on my list of priorities ... and has been for about 20 years ... but I will probably only stop on my way to the cancer clinic!
"People only do to you what you let them do." -- FreeSpirit
"Democracy is two wolves and a sheep voting on what's for dinner." -- James Bovard