Best Answer: Sheep sleep, but since they are a prey species (the kind that other animals like to eat) they sleep very lightly and in short naps rather than all at one time. Some sheep act as sentries while the other sheep sleep. Horses do the same things, they take 'cat naps' (pardon the pun), throughout the day. read more
Some just sleep in naturally sheltered areas when the weather is bad, eg lying in ditches to shelter from the wind, or under trees to keep dry. My friend owns a few sheep, and they have little lean-to they can shelter in to keep dry/warm. read more
Healthy lambs sleep 8 to 12 hours per day. At nap time, they seek out their mothers and will sleep as close to her as possible. Healthy lambs are usually very active. read more