Which animal stands while sleeping?

Related questions

1. What are squids?
2. Is octopus Greek or Latin?
3. What is sepia fish?
4. Do you say octopuses or octopi?
5. What is octopus called as a food?
6. What is the correct plural for octopus?
7. What does the Nidamental gland do in a squid?
8. What is more than 1 octopus called?
9. How old are octopuses?
10. Which insect has teeth in its abdomen?

Tags

1. #large
2. #mostly
3. #because
4. #lumber
5. #springiness
6. #upright
7. #sleep
8. #their
9. #reduction
10. #horses
11. #attacked
12. #advantageous
13. #elephants
14. #animals
15. #smaller
16. #sleeping
17. #zebras
18. #choose
19. #would
20. #outweighs
21. #standing
22. #benefit