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.
A healthy, full grown cat should sleep about 14-16 hours a day. A full grown cat with an illness usually sleeps about 18 hours. Almost all kittens sleep about 17-20 hours a day. Newborn kittens are the ones who sleep for 23 hours a day. My cat sleeps about 15 hours a day. He is 11 years old, fat, and extremely happy and healthy.