Agent Smith makes good dreams for his targets

I whispered a few more suggestions. I wanted them out of the way, lost in the dreamworld. But any good jailer knows you want a wall around the prison, too, just in case people get out of their cells. Just in case they start to wake up. Nothing too elaborate, just a believable tweak on reality, enough to keep them busy for a few—

Excerpt From Ex-Purgatory, pg 571
Peter Clines
https://books.apple.com/us/book/ex-purgatory/id676938479