If I were to pull an explanation out of my behind: I’d say this is a complicated enough exercise to keep you focused on it and not drift to other topics, yet s

If I were to pull an explanation out of my behind: I’d say this is a complicated enough exercise to keep you focused on it and not drift to other topics, yet so utterly boring as to not keep you awake in anticipation of what happens next. Then perhaps after using this technique for a few days your brain might start to recognize these neuron patterns as the shutdown sequence.