[GoToRO]

And if your goal is to be productive as a programmer: any faint headache will make you feel as if you are not motivated. These barely noticeable headaches may come from bad water, bad food, no water, no food, you stayed in wind, you are about to get sick, you stayed in hot sun, you didn't rest well (too cold, too hot, not enough sleep) and so on.

[yosito]

This probably explains why I'm often tempted to binge eat instead of working.