00590cam a2200205 4500 60628760 TxAuBib 20031231120000.0 ||||||s1983||||||||||||||||||||||||und|u 9780870444890 0870444891 TxAuBib McCauley, Jane R. Ways Animals Sleep. Wahington, D.C : National Geographic, 1983. 20031231. Sleep. Animal behavior. sleep-animals-behavior-habits.