>>12150948Fluctuation theorem states that large systems can experience highly localized and brief spontaneous decreases in entropy.
A universe is just a fluctuation in whatever extra-universal 'space' it coexists with - a region of zero energy density that, for an infinitesimally tiny time in an infinitesimally tiny space, experiences a sudden, massive increase in order that must then evolve back to a state of statistical thermal equilibrium.