Apr 02 2009 nbsp 0183 32Sleep Spring cleaning for the brain April 2 2009 By Susan Lampert Smith If you ve ever been sleepdeprived you know the feeling that your brain is full of wool On the left the brain of the wellrested blue fly has low levels of a synaptic protein called BRP in this 3D view from a confocal mircoscope On the right the brain of the