PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fatigue CountermeasuresIn 2001, Caldwell and Gilreath examined the work and sleep hours of U.S. aviation personnel on reverse cycle shifts.37 Researchers found that aviators demonstrated variable sleep quality depending on their bedtime and recommended that countermeasures such as medications to assist daytime sleep and light therapy to help circadian rhythms be employed to promote both alertness
http://www.w3.org/ns/prov#wasQuotedFrom
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