character: Dr. Sarah Lee
topic: Circadian Rhythms in Sleep Patterns
grade: 11
subject: Biology
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character: Dr. John Smith
topic: Impact of Melatonin on Sleep
grade: 11
subject: Biology
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character: Dr. Emily Johnson
topic: Sleep Disorders and Biological Clocks
grade: 11
subject: Biology
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character: Dr. Alex Ramirez
topic: Light Exposure and Sleep Quality
grade: 11
subject: Biology
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