Ask Dr. Universe: When do children’s brains work best?

Dr-Universe-230PULLMAN, Wash. – Hang on tight because the human brain keeps you on a 24-hour roller coaster. Every day the human body produces a chemical messenger in the brain called melatonin. It tells the body when it is time to go to bed.

“It’s just like your parents,” said my friend Samantha Gizerian, an assistant professor at Washington State University who studies how kid and baby brains develop. “Except you can’t run away from melatonin.”

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A service of WSU, Ask Dr. Universe answers some of the most interesting, tough and smart questions from curious kids all around the world.