Each piece of baggage in excess of the free baggage allowance specified above that is not in excess of 62 inches (L+W+H) and 50 lbs. or less will be accepted for a charge of $75.00 per item one-way.
Best Answer: The standard is 10 to 12 hours a night. This is normally what birds sleep...seasonally a little more or less, depending on daylight hours. Most birds sleep when it is dark. In the wild, dark means danger.
For the deepest sleep, walruses will either hook their tusks onto a stable piece of ice or move to land. Walruses can sleep up to 19 hours at one time. Unlike most animals, walruses do not need to sleep every day, and they can swim without stopping to sleep for more than three days. Giraffes. Giraffes need less sleep than any other mammal. According to the Smithsonian publication, Zoogoer, giraffes sleep for five minutes at a time, adding up to an average of 30 minutes per day.