
♪ Sleepy kitty... No.
The Big Bang Theory Season 12, Episode 24

Okay, I'm SLEEPY now. Get out.
The Big Bang Theory Season 2, Episode 21

Happy kitty, SLEEPY kitty
Purr, purr, purr
The Big Bang Theory Season 10, Episode 20

Sleepy kitty...
The Big Bang Theory Season 2, Episode 21

Sleepy kitty.
The Big Bang Theory Season 2, Episode 21