Negative Impact of Circadian Rhythm and Night Shift on Employee Health

ERGONOMIC MODULE
2021

TABLE OF CONTENTS
INTRODUCTION...........................................................................................................................3
MAIN BODY..................................................................................................................................3
CONCLUSION................................................................................................................................6
REFERENCES................................................................................................................................1

INTRODUCTION
Circadian rhythm can be defined as natural process of human body that helps in
regulating the wake and sleep cycle as well as repeat that cycle roughly 24 hours. In simple
words it includes the physical, behaviour change and mental health of an individual towards the
environment. Wherease, night shift can be state as arrangement of the work hour that employee
has to follow while working in the organization (Lim and et.al., 2018). The present report will
discuss on the cardigan rhythm and night shift as well as their negative impact on the employee.
MAIN BODY
Circadian rhythm can be defined as natural process of the human body that helps individual
in responding towards the external changes in the environment. Such as living things,
behavioural and climate change. In term of biology the chronobiology is the study of circadian
rhythm. For instance, sleeping in the night and waking up in the morning. It generally depends
on biological timing that is composed of particular molecules likewise protein that interact with
the cell through the body (Serin and Tek., 2019). It plays an important role in maintaining the
health of any living organism such as animals and human being. Generally, it generates the board
pattern of the activity and rest.
The classic example of Bhopal gas was operated within 24 hours due to excessive work the
employees of the company got tired and fall asleep because of that the tragic incident took place.
Moreover, it has harmed the environment as well as many people have lost their life and beloved
one in the accident (Walker and et.al., 2020). The circadian rhythms work in structural format it
depends on the master clock of the body. Furthermore, it defines the sleep cycle of human for
example the body is wired to sleep in the dark and when the day arise brain release melatonin
hormone in order to wake up the body.
Furthermore, there are 3 types of circadian rhythm that are related to delayed phase
disorder. For example, an individual sleeping between 2 or 3 am and they are productive at night
compare to day. This type of disorder is most common in teenagers and adults. The other type is
advance sleep phase in that an individual sleep between 6 to9 pm and are more productive in day
time (Black and et.al.,2019). Therefore, this situation is very common in the middle age and
insomniac people. Whereas the second type is jet leg that can be defined as a phase where the
internal clock of an individual is disturbed due to long air travelling or different time zone. The