Leader of Sleep Science William Dement Dies

The Stanford University researcher charted the human sleep cycle and characterized numerous sleep disorders.

Written byKerry Grens
| 3 min read
william dement stanford sleep disorders medicine

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ABOVE: William Dement
STEVE FISCH

William Dement, whose research and leadership were integral to the expansion of sleep science and medicine in the 20th century, died June 17 at age 91. He made fundamental contributions to understanding the phases of sleep and the array of sleep disorders people experience. In 1970, he launched one of the first sleep disorders clinic in the world.

“William Dement was a force of nature. A pioneering researcher and clinician, and a legendary teacher, his passion to uncover sleep’s secrets and to share these discoveries was unquenchable,” Lloyd Minor, the dean of Stanford University School of Medicine, where Dement was a faculty member for half a century, says in a university obituary. “Not only did he make great contributions to Stanford, but his efforts directly led to the birth and development of the field of sleep medicine.”

Dement was born in Wenatchee, Washington, in 1928. He ...

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  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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