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Sleep deprivation can affect the immune system, keep the nervous system from working properly, and prevent the brain from exercising important neuronal connections that might otherwise deteriorate from lack of activity. One study even found a decrease in response to the flu vaccine in young people who were immunized four days after sleep restrictions. Other studies also suggest that activity in parts of the brain that control emotions, decision making, and social interactions is reduced.

Good sleep promotes the release of growth hormone in children and young adults, as well as proteins that are needed for cell growth and repair. Good sleep at night also helps you retain information you learned during the day!

So are you getting the sleep you need for good health and quality of life? See how you fare on this quiz!