![Happy kitty, sleepy kitty
Happy kitty, sleepy kitty](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Happy kitty, SLEEPY kitty
The Big Bang Theory Season 6, Episode 22
![♪ Sleepy kitty... No.
♪ Sleepy kitty... No.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Sleepy kitty... No.
The Big Bang Theory Season 12, Episode 24
![Happy kitty, sleepy kitty
Purr, purr, purr
Happy kitty, sleepy kitty
Purr, purr, purr](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Happy kitty, SLEEPY kitty
Purr, purr, purr
The Big Bang Theory Season 10, Episode 20
![We were. The kids
got sleepy.
We were. The kids
got sleepy.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
We were. The kids
got SLEEPY.
The Big Bang Theory Season 12, Episode 19
![Sleepy kitty...
Sleepy kitty...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Sleepy kitty...
The Big Bang Theory Season 2, Episode 21