"These senseless alerts are directly impairing our ability to think strategically, because they are insidiously fueling a well-studied phenomenon known as 'decision fatigue,'" Fitzsimmons says. "Decision fatigue is real and pervasive. The nutshell version is that cognition is like a muscle. Certain repetitive exercises, such as making choices, are costly and directly hurt our ability to make thoughtful, clear-headed decisions."