I agree. Purely anecdotal from me too, but I feel so much more productive when I fast 16/8. I stopped feeling ravenously hungry after the first couple of days,

I agree. Purely anecdotal from me too, but I feel so much more productive when I fast 16/8. I stopped feeling ravenously hungry after the first couple of days, and frequently fast for longer than the 16 hours in a single cycle.