Drug clears the fog of a sleepless night : Nature News: "A sleepless night can leave your memory in tatters, but research in mice raises the possibility that a drug could counteract the problem.
Although anyone who has ever been deprived of sleep knows all too well how tiredness can affect the brain, the molecular mechanism behind it has eluded researchers. 'One of the main problems is that sleep deprivation does a lot of things to the brain, and it's easy to get caught in a mish-mash of different effects,' says Christopher Vecsey of Brandeis University in Massachusetts."