A rant on the significance and meaningfulness of metrics, or lack thereof

Progress came only after a fundamental and unremarked shift in the investigative approach, one focusing on the specific circumstances surrounding an accident—the “messy details” that the heavy siege guns of the epidemiological approach averaged out or bounded out. These “messy details,” rather than being treated as an irrelevant nuisance, became instead the focus of investigation for Cooper and colleagues and led to progress on safety.

I’ve struggled with insomnia for all of my adult life. It began in college and has waxed and waned in severity ever since, correlating with stress levels but not entirely.