The scientific literature shows that hunger, anger, loneliness, tiredness, pain, and stress are common “preconditions for poor decision making.” So Shubin Stein uses an acronym, HALT-PS, as a reminder to pause when those factors might be impairing his judgment and postpone important decisions until he’s in a state in which his brain is more likely to function well. This is our seventh technique for reducing avoidable stupidity.
-William Green in Richer, Wiser, Happier