I would recommend reading "The Circadian Code" by Dr. Satchin Panda and judging for yourself. My takeaway was that it is more than fasting, it is about getting

I would recommend reading "The Circadian Code" by Dr. Satchin Panda and judging for yourself. My takeaway was that it is more than fasting, it is about getting your body's cycles to sync up (sleep cycle, digestive cycle, repair cycle, etc.). Also, I think it is interesting that a lot of religions have a fasting component.