Animal Gallery Collection and Update Gallery Collection Compilate
Animals That Sleep Standing Up. Penguins sleep standing up with one eye open. Generally speaking, the animals that sleep standing up are those that would have the hardest time getting off the ground to escape a predator.
Sleeping Elephant by Leonardi Ranggana on 500px Save the from www.pinterest.com
You may wonder, is it normal behavior? They like to sleep in whatever position they like. Sleeping standing up is not exclusive to giraffes.
Fishes sleep with their eyes open, as they don’t have eyelids.
It is understandable as the sleeping position looks weird, let’s explore the reasons for this behavior together. The most commonly known animals are horses, zebras, and elephants. Owls have special tendons in their legs that keep them clamped against the tree branch they sleep on. Giraffes get little sleep and, because of this, avoid the risks of being easily hunted.
