The shift work among healthcare workers it is belived to be a one of the risk factors for the development of overweight and metabolic dysfunction, which results in a lower quality of private and professional life. Therefore, this thesis describes and investigates the impact of shift work on the eating behaviors of healthcare proffesionals. Food consumption not only prevents hunger, but also provides the necessary nutrition and energy to human body for his functioning and maintenance. However, food can have a much greater influence on a person than the individual is aware of. Excessive consumption of certain drugs leads to the creation of addiction, feelings of discomfort and discomfort, a drop in energy, irregular blood pressure, and undetectable walking reactions in the body. The results of the research conducted among healthcare professionals showed that healthcare professionals with fixed working hours lasting 8 hours a day have healthier eating patterns than the group of healthcare professionals who work in shifts, i.e. proffesionals who work in different parts of the day and with different shift lengths. It was also shown that shift work affects the organization and preparation of meals.