Performance and alertness on 8 h and 12 h rotating shifts at a natural gas utility

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      <subfield code="c">Roger R. Rosa and Michael H. Bonnet</subfield>
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      <subfield code="a">The present report documents a second worksite investigation at a large natural gas utility. In a trial attempt to make shiftwork more tolerable, certain worksites within the utility system were temporarily switched from a 5-7 day workweek with three 8 h rotating shifts to a 2-4 day workweek with two 12 h rotating shifts. After 6-10 months of the adaptation, it compared 8 h to 12 h shifts with test battery measures of performance and subjective alertness/fatigue, and with a daily questionnaire quantifying subjective reports of sleep patterns and other personal habits potentially affected by shiftwork</subfield>
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      <subfield code="g">Vol. 36, nº 10, October 1993 ; p. 1177-1193</subfield>
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