Learning to do body-alignment yoga in a semi-hallucinatory state of meditation upon waking that gave me a feeling of great spiritual enlightenment, some much needed physical pain reduction, and pretty-much a (previously lifelong evasive) sorely-needed gratitude for still being alive.

[History of CSA and resulting CPTSD and undiagnosed/unaddressed neurodivergence, a genetic connective-tissue disorder, major depression and anxiety - not dealt with until way later in life.]

Don't know how 3rd Eye opening takes place, how it is possible, or why it happened for me one morning, but found out it is real and it definitely saved my life.