Nathaniel Kleitman

Nathaniel Kleitman
Born(1895-04-26)April 26, 1895
DiedAugust 13, 1999(1999-08-13) (aged 104)
Education
Known for
Discovery of REM and other foundational contributions to sleep research
Scientific career
Institutions

Nathaniel Kleitman (April 26, 1895 August 13, 1999) was an American physiologist and sleep researcher who served as Professor Emeritus in Physiology at the University of Chicago. He is recognized as the father of modern sleep research, and is the author of the seminal 1939 book Sleep and Wakefulness.