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Sleep

Superhero Baboo the Spider monkey must save his precious Choo Choo from Howie the Puzzler! In mid-rescue, Mom interrupts their make-believe to remind them it's bedtime. They wonder, ,Why do I have to go to sleep at night?, They visit Dr. Colleen at her sleep lab. She explains why we need our sleep, and shows them tools and computers to study the brain to help people sleep better.