![You know if you stay up all night,
you're going to be sleepy tomorrow.
You know if you stay up all night,
you're going to be sleepy tomorrow.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You know if you stay up all night,
you're going to be SLEEPY tomorrow.
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
![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
![You know if my clothes get
too soft it makes me sleepy.
You know if my clothes get
too soft it makes me sleepy.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You know if my clothes get
too soft it makes me SLEEPY.
The Big Bang Theory Season 5, Episode 6
![Happy kitty, sleepy kitty
Happy kitty, sleepy kitty](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Happy kitty, SLEEPY kitty
The Big Bang Theory Season 4, Episode 2