Sufficient Sleep. Cows can’t enter REM sleep while standing and this can lead to sleep deprivation. A sleep-deprived cow can become irritable around her handlers and produce less milk. It’s best to provide your bovines with enough room for them to lean forward and back in their stalls as they lie down.
Cows do not sleep standing up, despite popular belief. They only doze for short periods of time, usually as a means to stand guard because they feel insecure for some reason or other, or because they just don’t feel the need to lay down at the moment. Cattle are front-heavy and cannot lock their knees like
Cows do not sleep standing up. In order to rest, cows lie down in one of two ways: either resting on their sides or with their chests upright in a catlike fashion. Keep Learning.
Virginia dairy farmer Coley Drinkwater isn’t sure how the snoozing myth began but it’s one she can debunk: cows do not sleep standing up. Her cows get as much rest as they desire, which is why cow bedding is such a high priority for dairy farmers. Like her peers around the country, Drinkwater makes sure her cows have clean and comfortable bedding in the barns. She orders a tractor-trailer load of sawdust from a nearby lumber mill each week that provides fluffy bedding her cows …
Dec 21, 2018 · Cows can sleep while standing because the joints on their four legs can lock. As far as sleep positions are concerned, even if it were possible to sleep standing up, constant stress on the spine would most likely create a new level of pain for the sleeper the following morning. A supportive body brace might overcome the relaxed joint situation,
However, cows only sleep lightly while standing up, and they are easily awakened. They lie down to sleep deeply.  Furthermore, numerous sources have questioned the practice’s feasibility, since most cows weigh over half a ton and easily resist any lesser force.