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
You and I are gonna PERFORM
a full backup, reinitialize...
The Big Bang Theory Season 3, Episode 12
Well, I'm going to PERFORM
a full backup, reinitialize...
The Big Bang Theory Season 3, Episode 12
provided I can PERFORM
the ceremony in Klingon.
The Big Bang Theory Season 5, Episode 24