She fell asleep like a stone dropped in a pond. Up and moving one minute,
submerged the next. He was a drifter, with the movie reel of the day’s events
and the previews of the next running through his mind
as his body settled down.
Bed of Roses
Evelyn De Morgan [Public domain], via Wikimedia Commons
How do you fall asleep? It might happen to us every night
- and maybe sometimes more often -
but it's still a deeply mysterious process.