Counting sheep : why do we sleep? /
Through 12 step-by-step experiments, the reader learns scientific explanations and facts about sleep.
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| Main Author: | |
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| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
New York :
Kingfisher,
2001.
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| Edition: | 1st ed. |
| Series: | At home with science
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| Subjects: |