
Well, it's not just doing
simple COGNITIVE tasks.
The Big Bang Theory Season 10, Episode 22

You need your sleep for your COGNITIVE
processing to perform at optimum levels.
The Big Bang Theory Season 2, Episode 6

Cognitive... l-l-lock.
Westworld Season 2, Episode 4

I started doing some reading
on COGNITIVE vitality,
The Big Bang Theory Season 10, Episode 22