8/15/2023 0 Comments Night shift nurses![]() The underlying reasons were stated as the impairment in the secretion of melatonin as a result of exposure to light in nighttime working, sleep disorders, and change in endocrine functions ( Davis et al., 2001 Eldevik et al., 2013 Korkmaz & Tamura, 2008 Schernhammer & Laden, 2003 Thomas & Power, 2010). In other studies, people working in nighttime have found to be at higher risk of developing colorectal cancer and cardiovascular disease as compared to the ones working in daytime. In another study, it was revealed that at the end of shift, the oxidant parameters of the nurses working in night shifts increased whereas antioxidant parameters decreased ( Ulaş et al., 2012). In a study investigating the effects of night shift work on the oxidant-antioxidant system, it was found that the nurses working in the night shift showed increased oxidant parameters and decreased antioxidant parameters ( Gowda, 2019). This also leads to the development of other diseases. Reactive oxygen species induce cell damage by influencing DNA, RNA, and cell membrane, and in this state, development of cancer is facilitated ( Aschbacher et al., 2013). The antioxidant agents responsible for managing, directing, and terminating this oxidative process decrease due to mineralizing. ![]() In almost all cases of psychological stress, physiological process initiates cellular stress begins, and the level of reactive oxygen metabolites, which are the markers of this stress, increase in both intracellular and transcellular milieu. Therefore, secretion of cortisol from the adrenal cortex and catecholamines (adrenaline, noradrenaline) from the adrenal medulla increase ( Niu et al., 2018 Whittaker & Gallagher, 2019). Thereafter, physiological systems, such as immune, endocrine, and nervous systems, produce stress response ( Niu et al., 2018). Stress appears with a stressor signal and induces a response in the brain for perceiving stress. Stress and night shift work are considered as main factors negatively affecting individual’s quality of life. Impaired sleep quality may lead to a low quality of life in nurses by negatively affecting their physical functions, psychological status, social relations within and outside the family. In another study, it was found that 44.8% of the nurses who participated in the study and worked in night shifts described their sleep quality as bad and awful ( Huth et al., 2013). ![]() ![]() In a study investigating sleep quality of nurses working in night shifts, low sleep quality was associated with night shift work ( Zhang et al., 2016). Impairment of the circadian rythym causes a change in sleep-awake cycle and quality of sleep ( Bronsard and Bartolomei, 2013). This makes it difficult for the nurses to continue their routine duties in nighttime and increases occupational accidents and injuries ( Palhares et al., 2014). Working for long hours at night, having high workload, and having an impaired circadian ryhthm may lead to psychological and physiological problems. ![]() Nursing quite often involves working in night shifts, which is a characteristic of nursing which is very difficult to change. Nursing is a challenging profession as it requires a high level of responsibility, performing difficult activities, and working in shifts. ![]()
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