Really? You'll risk getting SLEEPY...
The Big Bang Theory Season 4, Episode 6
Happy kitty, SLEEPY kitty
Purr, purr, purr
The Big Bang Theory Season 10, Episode 20
Happy kitty, SLEEPY kitty
The Big Bang Theory Season 4, Episode 2
Sleepy kitty.
The Big Bang Theory Season 12, Episode 24
We were. The kids
got SLEEPY.
The Big Bang Theory Season 12, Episode 19