In the study, it was found that doing overnight shifts can raise your risk of getting obese by as much as 29 per cent as compared to those working during day-time. Researchers from the China University of Hong Kong analyzed the health patterns of employees working night shift and found that they are more at risk for health problems than employees working day shift.
Researchers suggested that modifying working schedules to avoid prolonged exposure to long-term night shift work might help reduce the risk of obesity.
The findings were concluded from 28 published studies.
Senior author Dr Lap Ah Tse said globally there are almost 0.7 billion people working in shifts.
Obesity has been evident to be positively associated with several adverse health outcomes, such as breast cancer, cardiovascular diseases.
The analysis, published in Obesity Reviews, also showed the risk of abdominal obesity, the most unsafe type where fat builds around the stomach and damages organs, was 35 percent greater.
One in eight British employees work nights with women mostly working in nursing and the care sector while men more likely to have jobs in security, policing and transport.
These diseases include diabetes, heart disease, stroke and forms of cancer.
Apart from this, it was found that the risk of developing abdominal obesity was higher in night-shift workers than other types of obesity.