Last January 2024, my phone buzzed with a photo I did not expect—and one I will never forget. It showed a red pickup truck crumpled along the roadside. The front end was crushed. Metal twisted inward.

If you skip an hour of sleep, you'll likely wake up feeling more groggy and crankier than usual, but what if you end up missing out on two or three hours? Or what if that single skipped hour or two ...