character: Sleep Scientist Sally
topic: Circadian Rhythms and Hormonal Influences
grade: 10
subject: Science
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character: Dr. Chrono
topic: Biological Clocks and Sleep Patterns
grade: 10
subject: Science
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character: Hormone Harry
topic: Effects of Melatonin on Sleep
grade: 10
subject: Science
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character: Luna the Sleep Coach
topic: Understanding Sleep Cycles
grade: 10
subject: Science
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