What does "human performance" mean?

A subject that often goes missing.

When the word “performance” comes to your mind—what do you think?

Do you think about:

• School tests?

• Cognitive test?

• Athletic test?

Truth be told, none of those are wrong answers.

Each of those are a form of “performance.”

If you sleep 4 hours, you will probably do poorly on a school, cognitive, or athletic test that day.

But if you sleep 8 hours, you will do ph…