The standard advice on procrastination assumes a character problem. Be more disciplined. Use a timer. Break it into smaller tasks. The advice often works for an afternoon and then stops working, because it was answering the wrong question.
Procrastination is almost never about laziness. It's an emotional regulation strategy — the brain meeting an aversive feeling about a task by routing attention elsewhere, fast. The avoidance gives immediate relief; the deadline-panic that follows is a future-tax the present-self is willing to pay.
So the question isn't how do I force myself to start. It's what's the feeling I'm avoiding? The candidates are usually small but specific: fear of doing it badly, fear of the work being judged, fear of finishing and discovering it wasn't enough, the lingering shame of a previous version of this task that didn't go well. Some sit at the edge of awareness and shift the second you name them.
What helps isn't more discipline. It's more contact with what's actually there. A few honest sentences — written down, not just thought — about what the task is asking you to feel. The starting energy you didn't have often returns once the avoided feeling has been acknowledged. Not solved. Just acknowledged.
This is also why blunt-force productivity systems fail people whose procrastination has any depth to it. They're trying to manage from the surface a pattern that lives underneath. The deeper part will out-wait the system.
The version of you that doesn't procrastinate isn't a different, harder, better version of you. It's the same you, with whatever you were avoiding made conscious and bearable.