I'd call it a
"Fortress of Solitude for babies."
The Big Bang Theory Season 10, Episode 6
...all my other SOLITUDE.
The Big Bang Theory Season 8, Episode 7
Welcome to my fortress of SOLITUDE.
The Big Bang Theory Season 8, Episode 7
I'm no stranger to enjoying
the pleasures of SOLITUDE.
The Big Bang Theory Season 7, Episode 2
The king snores, perhaps?
Or simply prefers SOLITUDE?
Game of Thrones Season 2, Episode 4