Algorithm for Optimizing Caffeinated Alertness

I recall reading that if you get clean from caffeine that your level of alertness is basically the same as someone who uses caffeine regularly with caffeine in their system.

In other words, at best regular caffeine use can only ever boost you back up to a level that would be your baseline had you not consumed caffeine regularly.

When I saw the brain scans that suggested as such I quit drinking coffee.