They may not feel comfortable or safe in there - put some edible straw in as bedding and they might go into their shelter.
Not if you have some trees but if it rains or snows the goats will prefer some sort of shelter to get out of inclement weather conditions.
They don't sleep
goats sleep 2 hours in a day
No. They close their eyes like us when they sleep.
They dont have one, they live under water, but i dont know where they sleep as they are mammals and have to breach every few hours for air.
They do sleep but only when you are not watching.
goats sleep 2 hours in a day
If you provide hay and blankets they will sleep on them.
By standing under trees or behind a shed.
By finding a dry spot
Rhinos live in the plainsRhinos dont have a shelter where they are from because it is so hot sometimes, most often they will just sleep any where out of the way of any danger.
Food, water, air, shelter and veterinary treatment.