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Author: Barbara Herkert
Publisher: Albert Whitman
Page Count: 32
ISBN: 9780807574355
List Price: $23.99
All living creatures need to sleep or rest, and we each do it in different ways. A person might lie down in a warm bed to sleep, but a bat hangs upside down, a whale sleeps with its body upright underwater, and a dolphin rests with half its brain alert while the other half relaxes.
No matter how we do it, we all sleep or rest, and how we do it depends partially on where we live.
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