They include melatonin and complex carbs, which scientists say helps tryptophan enter into the brain and aid in sleep.
Border Collie
Poodle's are one of the most smartest breed and many a times they prove that.
Poodle
German Shepherds are often used as police dogs, seeing eye dogs, medical support dogs, and therapy dogs, thus obedience is expected.
German Shepherd
One of America's most cherished family pets. Despite their hunting heritage, Goldens like being silly from time to time.
Golden Retriever
These courageous protectors are kid-friendly.
Doberman Pinscher
Smaller than collies, they excel in herding, agility, and obedience.
Shetland Sheepdog
Americans have made them the most popular breed for 27 years running.
Labrador Retriever
Papillons, the top toy breed, aren't your typical lap dogs. According to the American Kennel Club, 5-pound dogs routinely win agility competitions.
Papillon
Rottweilers are medium-to-large household dogs. Rottweiler Metzgerhund means Rottweil butchers' dogs because they herded animals and pulled slaughtered meat carts to market.