Escape Room of Despair: The Lost Socks

Welcome, prisoner! You've been trapped in this desolate escape room for who-knows-how-long. The only clue to your freedom lies within the walls.

As you navigate the dimly lit corridors, you stumble upon a cryptic message scrawled on the wall:

"They're not just under the bed, they're under the bed, UNDER THE BED."

Where do you go next?