Eugene Aserinsky and Nathaniel Kleitman observed REM sleep and concluded that it was the physiological manifestation of dreaming.
An early sponsor of Kleitman's sleep research was the Wander Company, which manufactured Ovaltine and hoped to promote it as a remedy for insomnia.
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Renowned for his personal and experimental rigor, he conducted well-known sleep studies underground in Mammoth Cave, Kentucky and lesser-known studies underwater in submarines during WWII and above the Arctic Circle.
Nathaniel Hawthorne | Nathaniel Lyon | Nathaniel P. Banks | Nathaniel Bowditch | Nathaniel Philbrick | Nathaniel Dance | Nathaniel Westlake | Nathaniel Rosen | Nathaniel Wallich | Nathaniel Parker Willis | Nathaniel Lardner | Nathaniel Kahn | Nathaniel Peabody Rogers | Nathaniel L. Carpenter | Nathaniel Kern | Nathaniel Heckford | Nathaniel Greene | Nathaniel Bacon | Nathaniel W. Watkins | Nathaniel Wheeler | Nathaniel T. Oaks | Nathaniel Thayer | Nathaniel Stookey | Nathaniel P. Hill | Nathaniel Philip Rothschild | Nathaniel Morton | Nathaniel Merrill | Nathaniel Macon | Nathaniel Lord Britton | Nathaniel Lees |