Psychologist Maarten Bos, and the ‘scientists’ at Radboud, (where?) University who have announced, to great fanfare, in a paper to be published in the ‘Journal of Consumer Psychology,? (what?) that sleeping on a problem helps to find a solution.
As they note, my Nanna could have told them that – and saved another few pence of taxpayers’ cash.
Boadicea's Chariot 
Yes, another blinding flash of the bloody obvious detonated with tax-payers’ money, no doubt. I prefer the monastic solution anyway: http://bearsy.wordpress.com/2010/11/01/monks-make-a-habit-of-it/
Ideal candidates for the new reduced JSA!