character: Mr. Tom Hernandez
topic: Sleep Stages in Biology
grade: 11
subject: Biology
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character: Ms. Lisa Chen
topic: The Importance of REM Sleep
grade: 11
subject: Biology
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character: Dr. Sarah Patel
topic: Sleep Cycles and Their Effects on Health
grade: 11
subject: Biology
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character: Mr. James O'Connor
topic: Stages of Sleep and Learning
grade: 11
subject: Biology
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