It might be worth working a little bit harder to get that much-desired, but often elusive, good night's sleep.
Deep sleep clears the mind of waste just as a "dishwasher" cleans dirty plates and glasses, just-published research suggests — and there's more.
The findings also offer insights into how sleeping pills may disrupt the "brainwashing" system — potentially affecting cognitive function for people over the long run.
ANOTHER REASON TO GET MORE SLEEP AND THIS ONE MIGHT SURPRISE...