I've tried IF on-and-since since 2010. While I found it pretty useful for weight loss, I constantly felt foggy and dased mentally, even after months of going at

I've tried IF on-and-since since 2010. While I found it pretty useful for weight loss, I constantly felt foggy and dased mentally, even after months of going at it. My body(or brain, I guess) works better when I eat small amounts of protein every four hours or so.