Getting into the "Zone"

For those of you who doesn't understand what the "zone" is . It is basically when you boost your usual gameplay by a ton including ability to react faster, think better and even mechanically stronger. I think getting into the zone occurs more as you invest further time into the game, take a pro player for example , they seem to be able to perform at their best most of the time and can enter/stay/exit the zone at ease. Another thing to note is that i always seem to be getting in it subconsciously. How do you get into "the zone" and is there a way to get in it whenever you want.