That helps explain why "a lot of great ideas occur at transition times, " when people are waking up or falling asleep, bathing, showering or jogging, says Jennifer Wiley, a psychology professor at University of Illinois at Chicago and lead author of a 2012 research summary in Current Directions in Psychological Science.
The bureau's summary reiterates a local government assertion last year that Johnson Controls had used more lead in its manufacturing than was allowed by a local quota.