For me, it has to be long enough for me to notice the hunger, and then for the hunger to subside. Between that point and lethargy/dizziness is a pretty zen plac

For me, it has to be long enough for me to notice the hunger, and then for the hunger to subside. Between that point and lethargy/dizziness is a pretty zen place for me. (Disclaimer: I am not a doctor, and I have no experience with eating disorders.)