Defying evolution five a.m. wakefulness experts warn
The Associated Press reports on the toll of night work as a House subcommittee hears from shift workers and doctors about sleep disruption. Harvard researchers say humans evolved for a 24 hour cycle, making night owls common but costly with personal strain and safety concerns.
MENTIONED IN THIS ARTICLE
Martin Moore-Ede
Harvard Medical School
Albert Gore Jr
D-Tenn
House
Science and Technology Committee
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Jerry Estill
Associated Press
Washington
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