They live. We sleep.
Perhaps many people already know "They Live" because of controversy about whether this is a movie or a documentary, I think this is a great documentary and anyone should give it a watch. I came across a full version of the film on Rumble. A podcast channel live-streamed it a while ago. Below is the link:
If you haven't watched it, this is your chance. I want to say "enjoy", but frankly it gave me chills when I watched it for the first time a few years ago. Anyway, enjoy!