Researchers from University of Pennsylvania found that in fruit flies, sleep enhances immune system response and recovery to infection."It is an intuitive response to want to sleep when you get sick," lead author Julie Williams from the university's Perelman School of Medicine said.

The results provide new evidence of the direct effects of sleep on immune response and of the underlying mechanisms at work. In experiments on fruit flies, the researchers found the flies with more sleep showed faster and more efficient rates of clearing the bacteria from their bodies.

"Increased sleep helps facilitate the immune response by increasing resistance to infection and survival after infection," the study, appeared in the journal Sleep, stated.


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