None.

This tiny sliver of the spectrum is all that is needed to perceive geometry, and the perception of geometry is all that is needed to begin the cycle of sentience. Sure, deeper perception is appreciable, but this misses the point: the low barrier to entry - this very tiny sliver of the spectrum - is exceptionally easy for natural evolution to randomly happen upon. This makes it one of the many universal inevitabilities. The simplicity of the engineering of it, the innateness of it, is ingenious, and yet another example of the inherent godliness of reality itself.

Not everything needs to be paranormal. Infact, everything is normal. I would say you should probably take your schizo meds, but I doubt the caveman-dust-packed-into-a-pill system of earth is capable of appropriately situating your mentality. Just study a lot more and slowly realize the silliness of your perceptions, and rebuild your psyche from there.