
Sleepy kitty.
The Big Bang Theory Season 12, Episode 24

Happy kitty, SLEEPY kitty
The Big Bang Theory Season 1, Episode 11

Really? You'll risk getting SLEEPY...
The Big Bang Theory Season 4, Episode 6

♪ Happy kitty, SLEEPY kitty
The Big Bang Theory Season 12, Episode 19

I'm very SLEEPY.
Money Heist Season 3, Episode 6