All of God’s Creatures Need Rest table of contents duration Introduction Welcome2m 49s Sleeping Animals What is Bacteria? [Off-site link]10m Snoring Hummingbird14s Sleeping Dormouse 31s The Vocabulary of Rest: True Hibernation, Torpor, Dormancy Hibernation and Torpor, Part 15m Hibernation and Torpor, Part 25m We Need to Sleep Why do We Have to Sleep2m 01s Why Your Brain Needs Sleep3m 08s Why we Sleepwalk2m 32s Read More The Common Poorwill: First Bird Known to Hibernate PROJECTS Sleep and Dreaming Experiments >