Sleep Cleanses Brain of Waste, Study Says

While we’re asleep, our brains are doing more than recharging for the next day.  They’re also tidying up, using a cleaning process scientists hope could lead to treatments for ‘dirty brain’ diseases like Alzheimer’s. Sleep can flush toxins from the brain that accumulate during the course of the day according to a study which may change understanding about the biological purpose of sleep. “This study shows that the brain has different functional states when asleep and when awake,” said ...

© La Voix de l'Amérique - vendredi 18 octobre 2013