Our skulls house not one brain, but three (neocortex, limbic system, reptilian brain). Each brain represents a distinct evolutionary stratum that formed upon the older layer, as if there were an archaeological site inside your skull.
Your three brains get out of sync because they lose connection with each other while trying to juggle the various rhythms of different exterior and interior forces.
How do you get your three brains back in sync?
How to get your three brains in sync