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Your Brain Has a Full Time Janitor on Duty, While You're Asleep

Jessica Rivera

In a series of new studies, published this fall in the journal Science, the Nedergaard lab may at last be shedding light on just what it is that would be important enough. Sleep, it turns out, may play a crucial role in our brain’s physiological maintenance. As your body sleeps, your brain is quite actively playing the part of mental janitor: It’s clearing out all of the junk that has accumulated as a result of your daily thinking.

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  • Jsnlcouture

    I have always been interested in the brain and its functions, so this article really started my day off right. It is funny how when we are younger we hate to sleep but as we get older we love it. Very good read, thank you!

    • Alessandra Rizzotti

      I agree. With the stats it's clear our culture needs to slow down: "Some 80 percent of working adults suffer to some extent from sleep deprivation." Not sure how I feel about the conversation shifting to pharmaceuticals at the end. I think lifestyle changes would probably be more productive.