n rotating shifts also report poorer mental health and more psychosomatic complaints than workers on fixed-shifts. Specifically, people working rotating shifts report difficulty in sleeping, upset stomachs, headaches, sickness in the early morning, and dizziness later in the day. People working rotating shifts also report lower social involvement than fixed-shift personnel (Akerstedt, Knutsson, Westerholm, Theorell, Alfredsson, & Kecklund, 2002).
Research has found that, in humans, body functions are in a wave-like rhythm and are at optimal levels when the body is awake. If this rhythm is disturbed, the human body is subject to de-synchronization, a detrimental phenomenon,
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