The raw material cost of the metals used in a current penny is only about 0.6 cents per coin, according to prices quoted on the London Metal Exchange, and a breakdown of a penny's composition from the mint.
Read by: 274,003 pet lovers. There's no doubt about it: cats sure know how to sleep. Although the amount of time spent napping varies from cat to cat, and depends on the cat's age and personality, felines spend an average of 13 to 16 hours each day curled up in slumber. Only the opossum and the bat sleep more â napping away almost 20 hours a day. Nobody is sure why cats sleep so much.
Kittens sleep more than adult cats. Photo Credit: Â© Amy Shojai, CABC. Cat sleep and understanding your sleepy cat is important because cats sleep two-thirds of their life away. That's sixteen hours or more each day, and is more than any other mammal, except for the opossum and some bats.hoto Credit: Â© Amy Shojai, CABC. Cat sleep and understanding your sleepy cat is important because cats sleep two-thirds of their life away. That's sixteen hours or more each day, and is more than any other mammal, except for the opossum and some bats.