The brain uses sleep to wash away the waste toxins built up during a hard day's thinking, researchers have shown.If you enjoy reading science/health stories, have a look at the complete article.
The US team believe the "waste removal system" is one of the fundamental reasons for sleep.
Their study, in the journal Science, showed brain cells shrink during sleep to open up the gaps between neurons and allow fluid to wash the brain clean.
They also suggest that failing to clear away some toxic proteins may play a role in brain disorders.
Wednesday, October 23, 2013
This isn't politics, it's science. We may need sleep more than we thought before. Here's (linked) the article in the BBC. The key bit: