![You need your sleep for your cognitive
processing to perform at optimum levels.
You need your sleep for your cognitive
processing to perform at optimum levels.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You need your sleep for your COGNITIVE
processing to perform at optimum levels.
The Big Bang Theory Season 2, Episode 6
![Impaired cognitive function.
Impaired cognitive function.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Impaired COGNITIVE function.
The Big Bang Theory Season 3, Episode 14
![...pressing on the cognitive
processing centers of your brain. ...pressing on the cognitive
processing centers of your brain.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...pressing on the COGNITIVE
processing centers of your brain."
The Big Bang Theory Season 1, Episode 10
![Cognitive... l-l-lock.
Cognitive... l-l-lock.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Cognitive... l-l-lock.
Westworld Season 2, Episode 4
![I started doing some reading
on cognitive vitality,
I started doing some reading
on cognitive vitality,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I started doing some reading
on COGNITIVE vitality,
The Big Bang Theory Season 10, Episode 22