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Circadian rhythms A system that controls our<br />
daily internal fluctuations which everyone’s<br />
internal clock is different. Shift work could<br />
adversely affect one’s circadian rhythms and<br />
cause negative impacts. This could also be a<br />
stressor for the police officers. For those who<br />
need to work on shift, they should expose<br />
themselves to lots of light while working which<br />
however could be difficult for those who work<br />
at the field.<br />
2. Psychological Source<br />
For psychological source of stress, police may feel stress<br />
because sometimes they failed to protect someone or<br />
catch the suspects. They may also have a hard time in<br />
controlling their emotion while they are in work. For<br />
example, during the Occupy Central movement, police<br />
need to conceal their feelings, they still need to perform<br />
their job duties whether or not they support this<br />
movement. This may be one of the stimuli which cause<br />
the distress. Besides, fear of lawsuits is one of the<br />
psychological stressors too. Most of the police officers<br />
believe that they have to act as a role model in the<br />
society, it is important for them to strictly follow the<br />
laws and regulations. However, one may be fear that<br />
he/she cannot comply with those rules and this belief<br />
might as well be a psychological source of stress to the<br />
officers.<br />
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