Laying down.
No, they sleep laying down.
they sleep laying down
yes
Yes they can, and in fact a horse can only get REM sleep by laying down.
they sleep Laying down people most likely call them dead horses.
Standing up sometimes laying down
by laying down and thinking about nothing
I've seen mine sleep in a number of different positions from simply lowering themselves down to where their bellies were on the floor and their head was relaxed out in front of them to laying on their sides.
No, of course not! They sleep laying down just like any dog would.
You might stop drooling in your sleep if you sleep on your back. Most people who drool in their sleep are laying on their side or on their stomach.
Yes, horses can sleep standing up due to a "stay apparatus" in their legs that allows them to lock their joints to remain upright. They do lie down for deeper sleep, but can nap while standing to quickly rest.