This blurp is an excerpt from a Fast Company article on Brain Calisthenics. If you try it, let me know how it worked for you.
Exersise: Capturing unexpressed potential
Source: Robert Epstein, West Cost editor, Psychology today; visiting scholar, University of California San Diego
Place a pad and pen by your sofa. Relax on the couch, holding a spoon over a plate placed on the floor. As you begin to get drowsy, the spoon will drop to the floor, hitting the plate, waking you up, Grab the pad and sketch out whatever you were seeing during that drowsy state. The goal is to focus attention and preserve the unusual ideas. Epstein says Salvador Dali got ideas this way, and Thomas Edison had a similar approach.
Writer of the article, David Lidsky reports:
"How it worked for me: Incomplete. I slumped off the couch like one of Dali's clocks in The Persistence of Memory, the spoon ended up in the sofa cushions, and it took me three hours to wake up from my nap."