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Mapping the Darkness

The Visionary Scientists Who Unlocked the Mysteries of Sleep

Kenneth Miller
The award-winning journalist Kenneth Miller weaves together science and history to tell the story of four outsider scientists – Nathaniel Kleitman (1895–1999), Eugene Aserinsky (1921–1998), William Dement (1928–2020) and Mary Carskadon (1947–present) – who, through bold experiments, technological innovation and single-minded commitment set out to answer two key questions: 'why do we sleep' and 'how can we sleep better?'
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Product information:
  • Publisher: Oneworld
  • Year: 2023
  • Format: Hardback
  • Pages: 348pp
  • Illustrated: Yes
  • Dimensions: 222x143mm
  • ISBN: 9780861545162
  • Condition: New
  • Weight: 0.5kg
Product code:
542820
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'Fascinating, magisterially researched, and brilliantly written.' Steve Silberman, author of Neurotribes



Thirty-two days underground. No heat. No sunlight.



4 June 1938. Nathaniel Kleitman and his research student make their way down the seventy-one steps leading to the mouth of Mammoth Cave. They are about to embark on one of the most intrepid and bizarre experiments in medical history, one which will change our understanding of sleep forever. Undisturbed by natural light, they will investigate what happens when you overturn one of the fundamental rhythms of the human body. Together, they enter the darkness.



When Kleitman first arrived in New York, a penniless twenty-year-old refugee, few would have guessed that in just a few decades he would revolutionise the field of sleep science. In Mapping the Darkness, Kenneth Miller weaves science and history to tell the story of the outsider scientists who took sleep science from the fringes to a mainstream obsession. Reliving the spectacular experiments, technological innovation, imaginative leaps and single-minded commitment of these early pioneers, Miller provides a tantalising glimpse into the most mysterious third of our lives.
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