The BBC wrote about a University of California study comparing the benefits of 200mg of caffeine (the average amount in a cup) to a 60 to 90 minute daytime nap on various memory tasks. They found that a nap generally improved memory performance, while caffeine either didn’t affect – or worsened – performance. The promised benefits of sleep have even persuaded a few firms to allow their employees to nap at work.  Recently software company … [Read more...]