Koalas and sloths sleep most of the time, up to 20 hours a day. Armadillos, possums, hippos, and lions also sleep for many hours a day.
cat
Brown Bat sleeps 19.9 hours per day Brown bat is the animal that sleeps the most
Lion
giraffe
Nocturnal
Giraffe
Koala - Sleeps 22 Hrs a day. For more details referer http://en.wikipedia.org/wiki/Koala
Nocturnal animals include owls, domestic cats, bats, and rodents. Other species are fireflies, hermit crabs, and coyote.
Tired ones... all animals
cowssnakesdeerbuffalloramsnearly all of the animals in the worldthanks
Scientific research indicates that it is a close contest for the title of the animal which sleeps the most. Top contenders are the Brown Bat and the Koala, both of which sleep between 18 and 20 hours a day.
it is called nocturnal animals such as a raccoon it sleeps all day and it wakes up only at night