Introduction:

The loss of the circadian rhythm caused by sleep disorders is considered an important risk factor for developing metabolic diseases such as hyperglycemia and insulin resistance.

Objective:

Analyze the existing information regarding studies on circadian dyssynchrony in workers and its influence on metabolic syndrome of anthropometric parameters.

Method:

A search was carried out in electronic databases such as EBSCO, Thompson Reuters, PubMed, and Scopus; the selected search terms were shift work, melatonin, cortisol, metabolic syndrome, night shift, and circadian rhythm in Spanish and English ​​published from January 2015 to December 2018. The extraction was carried out using a predesigned form.

Results:

The search in the databases yielded 5,953 papers; after the investigation and depuration of the aforementioned papers applying the eligibility criteria, 13 papers were obtained which were organized in two dimensions for their analysis, these were called a) shift work and metabolic risk factors, and b) shift work and the circadian cycle.

Conclusions:

The relationship between night work or rotating shift with various metabolic disorders is consistent.

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