xkcd: Dominant players in chess and basketball →

Two-thirds of adults get at least 7 hours of sleep. I am not in that two-thirds.

There are a lot of variables to consider, but for people of middle income, here’s a suggestion, based on when you start saving and when you want to retire.

How good or bad something is depends on what you compare against.

There are many ways to die. Cancer. Infection. Mental. External. This is how different groups of people died over the past 10 years, visualized by age.