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Dr. Universe: How do bags form under your eyes? –Sophia Ivy, 7, New Providence, NJ

August 2, 2019 rcwebber

Dear Sophia Ivy, If you’ve ever stayed up late and woke up really early, you may have noticed a little puffiness or swelling under your eyes. When I asked my friend Devon Hansen about the answer to your question, she said that we first have to know a bit about how sleep works. Read More ...

Dr. Universe: What is happening when we sleepwalk? -Daniel, 11, Easton, CT

June 21, 2018 rcwebber

Dear Daniel,

Our brains work hard to help us move, talk and think. They also help us sleep. When we rest, some parts of our brain are active. When we are up and moving around, parts of our brain are actually at rest.

Why is yawning contagious? -Grant, 10, Pullman, WA

November 23, 2015 rcwebber

Dear Grant,

When I got your question, I met up with my friend Hans Van Dongen, a scientist at Washington State University in Spokane. He works in a research lab where they study sleep. As a cat who appreciates naps, it’s one of my favorite places to visit.

Dear Dr. Universe, Please answer this question: Do animals dream? What dreams do they get? I humbly request you to answer these questions. BYE! Or should I say MEOWY! -Prahlad R.

October 5, 2015 rcwebber

Dear Prahlad,

After a quick catnap and a stretch, I went to visit my friend Marcos Frank, a scientist at Washington State University who studies animal sleep.