Really? You'll risk getting SLEEPY...
The Big Bang Theory Season 4, Episode 6
Happy kitty, SLEEPY kitty
The Big Bang Theory Season 1, Episode 11
Happy kitty, SLEEPY kitty
The Big Bang Theory Season 6, Episode 22
I'm very SLEEPY.
Money Heist Season 3, Episode 6
Sleepy kitty
The Big Bang Theory Season 2, Episode 21