These words from Eckhart Tolle brought me a sense of clarity in some of the darkest and confusing days in this journey back self.
https://www.eckharttolle.com/eckhart-on-the-dark-night-of-the-soul/
https://www.eckharttolle.com/power-of-now-excerpt/
I also found this Q&A with the neuroscientist Andrew Newberg incredibly helpful in making sense of my experiences on this journey back to self:
https://www.haverford.edu/college-communications/news/qa-andrew-newberg-’88
I hope these resources bring understanding, peace, or hope to others.