derogations from the regulations may be made with regard to shift work by agreement.
They can also be very useful for people with shift work schedules who may need to wake up at different times on different days, setting an alarm for 7 a.m. on Mondays while having the alarm go off at 10 a.m. on Wednesdays, for example.
This is especially the case with shift workers who might suffer from shift work sleep disorder.
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