Accentuating the positive memories for sleep

Sleep plays a powerful role in preserving our memories. But while recent research shows that wakefulness may cloud memories of negative or traumatic events, a new study has found that wakefulness also degrades positive memories. Sleep, it seems, protects positive memories just as it does negative ones, and that has important implications for the treatment of post-traumatic stress disorder, according to a study being presented this week at the Cognitive Neuroscience Society meeting in Chicago. Read more