Horse Behaviour
Yes, horses usually sleep standing, or at least they rest. Because they are prey animals, they've adapted to standing while resting so they can bolt if a predator is near. They also sleep while standing because of their weight; horses are big enough to actually crush their internal organs and structures if they lay down for several hours at a time, which can lead to death.
yes horses do except when they are dead some people call it the internal sleep when someone/something dies so there you go
they sleep while standing up and hudled in a group.
Giraffes normally sleep while standing up.
Yes, a phase of sleep is called REM standing for rapid eye movement.
Yes, most donkeys will sleep standing up. However, they may lay down when they are sure that there is no harm from predators or if they are in a herd, one or more will remain standing while one lays down to sleep.
It means you only sleep little. Horses can sleep standing and for 2hrs at a time to regenerate
Animals on four legs can balance while asleep, so many of them do sleep standing up, Most especially you will see this in prey-type animals like horses, which would have a need to start running at any second if a predator jumps out at them.
Of course. You will dream while standing on your head, if you can just get to sleep.
Nothing. Just as a horse can sleep standing up a whale can sleep while swimming or floating
Sheep primarily sleep lying down, although they are capable of dozing while standing. They feel most comfortable and get their deepest rest when lying down.
An Elephant sleep just for a while in standing position they don not need to lay down for sleep. Elephants can sleep any where any time. Sometimes they will take turns at sleeping while the other Elephants keep watch.