How to Focus in Less Than Ten Minutes

When do you start to get into the groove? Can you even achieve focus in less than ten minutes or twenty minutes? Like this depth of it, like you can't get into your absolute peak focus until you've gone through the gears to get up into that zone. To get into that zone for most people it'll take three hours to really get there. And so really focusing, you don't decide that you're going to focus on like a little task. Really you decide if you're gonna focus for a day or not.