An average horse weighs 900-2,000 pounds, depending on size and breed. A lean, racing fit Thoroughbred, for example, will typically weigh 900-1,100 pounds, while the average Clydesdale (think Budweiser) weighs in at 1,800-2,000 pounds.
Just like people, horses need to maintain a balanced diet to be healthy and have energy. They eat grass and hay at meal times. Horses can get a lot of sleep while standing up, but they lie down when they require REM sleep. If hay isn't enough, grain can be added, but the bulk of a horse's calories should always come from roughage. Horses are meant to eat roughage, and their digestive system is designed to use the nutrition in grassy stalks
• Because horse’s eyes are on the side of their head they are capable of seeing nearly 360 degrees at one time. • Horses can sleep both lying down and standing up. • Horses can run shortly after birth. • Domestic horses have a lifespan of around 25 years.