Sleep, sleepiness and need for recovery of industrial employees after a change from an 8- to a 12-hour shift system

Oct 18, 2021Industrial health

Sleep, tiredness, and recovery needs of industrial workers after switching from 8-hour to 12-hour shifts

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Abstract

Among 178 employees, those on a 12-hour shift schedule reported longer sleep duration before morning shifts and less frequent sleepiness during those shifts.

  • Sleep length was longer in the 12-hour shift schedule before the first morning shift and between morning shifts.
  • Less frequent sleepiness was reported during morning shifts for employees on the 12-hour schedule.
  • Satisfaction with the shift system was higher among employees working 12-hour shifts.
  • Perceived negative impacts on work-life balance were less common for those on the 12-hour shift schedule.
  • The differences between the two shift systems were minor, indicating no significant disadvantages of the 12-hour shift system.

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