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Tells and shows how many animals sleep, whether standing up or lying down, in groups or individually, and for long or short periods of time.
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Editions
3 editions- Paperback · English · 1969Scholastic · 9780590080545
- Other · English · 1962New York: Scholastic Books, 1962 · 66 pages · 9780590337205
- Other · English · 1953Time for SleepAddison-Wesley Pub Co · 9780201093698
Animal behaviorJuvenile literatureSleepAnimalsHabits and behavior