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Animal sleep patterns
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- 6. Examples • Bats sleepby hanging upside down • Birds sleep while perching • Horses sleep while standing
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- 8. Sleeping for shortintervals • Small animals sleep more than large animals as most of their energy is used up. • Cats and dogs also like to sleep in many short intervals.
- 9. • Some animalssleep during the day while some sleep at night. • Water animals never fully sleep as they need to keep swimming. • Half of their brain is still working even while sleeping, hence they can swim and come to the surface for breathing.
- 10. Insects do notappear to sleep but they do become inactive in daylight. Animals that are grass eaters sleep for short duration, they rest while chewing cud.
- 11. Sleeping for longintervals •Some animals sleep in long sessions like sleep for the whole winter, this is called hibernation or winter sleep.
- 15. Summary • Different animalssleep at different times of the day, for different hours and in different ways • Some animals sleep for the whole summer, this is called summer sleep or aestivation • Some animals sleep for the whole winter, this is called winter sleep or hibernation
- 16. Fill in theblanks 1. ___________ sleep hanging upside down. 2. ______________animals never fully sleep. 3. Winter sleep is called _____________. 4. Summer sleep is called _____________. 5. ________ are small animals that hibernate for eight months. 6. ________ sleeps on one leg. Bats Water hibernation aestivation Marmots Flamingoes