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Scheduling of sleep/darkness affects the circadian phase of night shift workers
Sleep and dark periods timing affects body clock in night shift workers
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Abstract
Scheduled sleep/darkness can aid in adaptation to night shift work by inducing both advance and delay phase shifts.
- Two sleep/dark schedules were compared to assess their effectiveness in shifting circadian phase.
- Scheduled sleep/darkness may promote adaptation to night shift work by facilitating appropriate phase shifts.
- The size of the phase shifts observed is not sufficient for complete adaptation to the night shift.
- Inconsistent light exposure during night shifts contributes to difficulty in circadian entrainment.
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