Not exactly. They nap or doze standing up, but will lay down to sleep, just like cows do.
Standing up in groups
No
Standing up.
No.
well in the world the only birds that can sleep standing up is the flamingo. flamingos stand on one leg with their head in their body
Standing up in groups
nope, they like to curl up when they sleep, but a horse does sometimes sleep standing up.
No, rats cannot sleep standing up. The only mammals that can sleep standing up are large herbivorous mammals, like horses. They sleep standing up because it is sometimes difficult for them to stand up for lying down. Some birds, like flamingoes, sleep standing on one foot.
no, they do not, horses are the only known animals to sleep standing up.
Yes, most horses sleep standing up but sometimes they do lie down.
They sleep standing up. They can be kept in a barn at night with hay to eat and water to drink and will sleep standing up in their stall. they sleep standing up on the ground, in a paddock or barn, free of charge unless your agisting
They sleep standing on one leg and rotate during the night.
standing up
No
Standing up.
No.
No, they sleep laying down.