dream fragment

Not much for dreams last night, only remember fragments as I had a hard time sleeping. Here's what I remember.
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I'm in the back room of the library after working all day. It's getting dark, and almost everyone has left. The oddity is all of the staff is still here, and we should definitely be closing up by now, but no one is making any move to do so. Also, every clock states a different time.

Other things happen, ending with being held hostage, but my restless brain no longer remembers the details.