Nathaniel Kleitman

American physiologist and sleep researcher (1895–1999)

Nathaniel Kleitman was a prominent American physiologist and sleep researcher, born in 1895. He spent his career making significant contributions to the field of biology, with a particular focus on sleep research. Kleitman's work had a profound impact on the understanding of sleep and its functions, earning him recognition as a leading figure in his field.

Kleitman held the position of Professor Emeritus in Physiology at the University of Chicago, a testament to his esteemed career. His seminal book, Sleep and Wakefulness, published in 1939, remains a landmark work in the field of sleep research. Due to his groundbreaking contributions, Kleitman is widely regarded as the father of modern sleep research. He passed away in 1999, at the age of 104, leaving behind a legacy of pioneering work that continues to influence the field of sleep research.