Nutrition for night and shift workers
David Janitzek
2026-03-22
6 min. read
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While our daily routines have evolved over the centuries, the fundamental biological processes regulating the body remain unchanged. As in the past, as today, external environmental conditions—particularly the cyclical changes between day and night—significantly impact human physiology. Numerous health-related indicators, including blood glucose and lipid levels, are closely linked to sunlight exposure. The deeper our understanding of these relationships, the more effectively we can tailor our diet to our individual daily rhythm, especially for those whose schedules are disrupted by shift work.
A diet for working nights
Diet during a time when we are forced into nighttime activity is extremely difficult and contrary to our natural dietary intake and intake of caffeine. Although in most cases the relationship between sleep disorders, shift work, and weight gain has been repeatedly shown to occur. During the day, glucose tolerance and insulin sensitivity are much higher than during the night. People who work on shift work very often consume the best meals during periods of increased insulin resistance and worse food tolerance than we plan to do. Although most of the time our diet has stopped because of the need to eat, this diet has been shown to be the best way to reduce the amount of fat or fat in our body.
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