CHAPTER 1
Chapter-opening image: Sleeping flamingo.
Brain waves. Adapted from Peter Hauri, The Sleep Disorders, 2nd ed. (Kalamazoo, Mich.: Upjohn, 1982).
Brain Centers That Control Sleeping and Waking Functions. Adapted from Meir H. Kryger, Russell Rosenberg, Douglas Kirsh, and Lawrence Martin, Kryger’s Sleep Medicine Review: A Problem-Oriented Approach, 2nd ed. (Philadelphia: Elsevier, 2015), 20.
CHAPTER 2
Chapter-opening image: John Everett Millais, L’Enfant du Regiment. Yale Center for British Art, New Haven, Conn.
CHAPTER 3
Chapter-opening image: Laurent Delvaux, Ariadne. Yale Center for British Art, New Haven, Conn.
CHAPTER 4
Chapter-opening image: Christian Krohg, Mother and Child. Bergen (Norway) Art Gallery.
Chapter-opening image: Gustav Vigeland, Couple in Bed. Gustav Vigeland Studio, Oslo.
CHAPTER 6
Chapter-opening image: Thomas Rowlandson, The Club Room. Yale Center for British Art, New Haven, Conn.
CHAPTER 7
Chapter-opening image: Henri Fuseli, Lady Macbeth. Musée du Louvre, Paris.
CHAPTER 8
Chapter-opening image: Pierre Puvis de Chavannes, Le Sommeil. Metropolitan Museum of Art, New York.
CHAPTER 9
Chapter-opening image: Communications network map of the world. © Maxger/iStockphoto.
CHAPTER 10
Chapter-opening image: Edvard Munch, Girl Sitting on a Bed. Bergen [Norway] Art Gallery.
CHAPTER 11
Chapter-opening image: Eugène Delacroix (after Peter Paul Rubens), Study of Arms and Legs. Art Institute of Chicago.
CHAPTER 12
Chapter-opening image: Paul Sandby, Francis Grose Asleep in a Chair. Yale Center for British Art, New Haven, Conn.
CHAPTER 13
Chapter-opening image: Albert Joseph Moore, Beads. Yale Center for British Art, New Haven, Conn.
Chapter-opening image: Vincent van Gogh, Starry Night. Museum of Modern Art, New York.
CHAPTER 15
Chapter-opening image: Gustave Courbet, Sleeping Spinner. Metropolitan Museum of Art, New York.
CHAPTER 16
Chapter-opening image: Vincent van Gogh, Bedroom in Arles. Van Gogh Museum, Amsterdam.
CHAPTER 17
Chapter-opening image: Edgar Degas, The Absinthe Drinker. Musée d’Orsay, Paris.
CHAPTER 18
Chapter-opening image: Jacob Jordaens, As the Old Sing, So the Young Pipe. National Gallery of Canada, Ottawa.
CHAPTER 19
Chapter-opening image: Alfred Elmore, Pompeii, A.D. 79. Yale Center for British Art, New Haven, Conn.
CHAPTER 20
Chapter-opening image: Auguste Rodin, Le Sommeil. Rodin Museum, Paris.
CHAPTER 21
Chapter-opening image: Johan Niclas Byström, Hera with Infant Hercules (detail). Royal Palace, Stockholm.