I adore watching people falling asleep in public. People wrestling between states of consciousness. Body consciousness drifting away. Unhinged vulnerability. Here are some videos of folks falling asleep in public. It starts off with the wonderfully observed bit by Mr. Bean in church. then on to real-life examples; politicians, businessmen, bus patrons, and a ubiquitous cute baby animal thrown in.
As a follow-up, the beautiful work of a friend of mine, Brian Scott who has a whole corner of photographic work dedicated to the subject: look at the awesome here