Rotating shifts
Research has shown that rotating shifts may cause most problems, where they alternate every few days (Gold et al 1992). Non-fluctuating patterns better so the individual can settle into a pattern.
Forward-rotating shifts
Bambra et al (2008) suggested that following the logical order of the day may be easier (phase delay)
Atrifical lighting
Can be used to re-set the rhythms (Bovin et al 1996, 31 male PPs, Kept awake at night and slept thruough day. When awake, 5 hours of dim light followed by either very bright, bright, ordinary or dim light. After 3 days the v.bright had advanced 5 hours, bright was 3, ordinary was 1 and dim was a delay of 1.)
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