Let's apply the scientific method.
Perform an experiment.
The Big Bang Theory Season 6, Episode 5
You need your sleep for your cognitive
processing to PERFORM at optimum levels.
The Big Bang Theory Season 2, Episode 6
and some will PERFORM those
better than others.
The Big Bang Theory Season 11, Episode 12
♪ I've got parts to PERFORM,
hearts to warm ♪
The Big Bang Theory Season 12, Episode 10
that'll show you how
to PERFORM your own rectal exam.
The Big Bang Theory Season 5, Episode 17