You need to push your brain out of its
comfort zone and reach mental EXHAUSTION.
The Big Bang Theory Season 10, Episode 22
...I look at you with an expression
The Big Bang Theory Season 3, Episode 17
...who passed out
from heat EXHAUSTION.
The Big Bang Theory Season 4, Episode 21
You've studied that subsoil
to the point of EXHAUSTION.
Money Heist Season 3, Episode 8