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Biological - NIH Office of Science Education - National Institutes of ...

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Thinking about Sleepiness and Sleep Cycles<br />

Name_____________________________________________________<br />

Date______________________<br />

1. The graph below contains sleepiness scale data from an individual who recorded entries every<br />

waking hour during a Monday and a Thursday. Describe how the data for Monday differ from<br />

those for Thursday. Can you suggest an explanation for this difference?<br />

2. During the past several activities, you have learned about different types <strong>of</strong> cycles associated with<br />

sleep. List three different cycles and provide a brief description <strong>of</strong> each one.<br />

Master 3.4

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