![And a sleepy Sheldon is a cranky Sheldon.
And a cranky Sheldon...
And a sleepy Sheldon is a cranky Sheldon.
And a cranky Sheldon...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
And a SLEEPY Sheldon is a cranky Sheldon.
And a cranky Sheldon...
The Big Bang Theory Season 6, Episode 22
![Sleepy kitty
Sleepy kitty](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Sleepy kitty
The Big Bang Theory Season 2, Episode 21
![♪ Happy kitty, sleepy kitty... ♪
♪ Happy kitty, sleepy kitty... ♪](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Happy kitty, SLEEPY kitty... ♪
The Big Bang Theory Season 5, Episode 6
![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
![Now, rise and shine,
sleepy head.
Now, rise and shine,
sleepy head.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Now, rise and shine,
SLEEPY head.
The Big Bang Theory Season 5, Episode 15