“A lot of people like to brag about how they only need 3-4 hours of sleep nightly, while disparaging others who seek a good 8 hours.
“used to know a braggart like this, but he’s now deceased. (at age 50-something).”
Zero of them, made it much past age 60.
My wife saw similar results with other students in her high school class and classes in her RN school.