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Every living thing sleeps, from the smallest insect to the largest whale. Some animals spend as many as 20 hours a day sleeping! While children and adults don't
need to sleep quite so many hours, our sleep is just as important.
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• why
we sleep • how sleep
works • sleep and you
• can't sleep? • dreams • • bring out the stars • games and puzzles • parents and teachers • • about us • home • |