I hear people say this a lot, but I've done plenty of fasting and rarely experienced this, and when I did, it was very mild. I don't know if I'm significantly o

I hear people say this a lot, but I've done plenty of fasting and rarely experienced this, and when I did, it was very mild. I don't know if I'm significantly outside the norm. The noticeable difference is that I feel pretty low energy after about ~24 hours of fasting.