
Sleepy kitty
The Big Bang Theory Season 2, Episode 21

Happy kitty, SLEEPY...
The Big Bang Theory Season 4, Episode 2

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

You know if you stay up all night,
you're going to be SLEEPY tomorrow.
The Big Bang Theory Season 6, Episode 22