Nutrition for night and shift workers
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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.
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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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Diets for shift workers
When night shifts are intertwined with day shifts, it's impossible to eat at the same regular times. Research shows that people who eat main meals have better reduced dietary outcomes than those who eat the most at the end of the day. The first meal after waking up is the wisest to eat in the first hour. Sometimes we don't feel hungry, but it is worth reaching out even after a small snack.
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Is it any way to fit your diet into your lifestyle?
For shift workers on rotating schedules for 20 days or longer, meal synchronization with circadian rhythms is paramount. During the nocturnal working window, meals should remain light, fiber-rich, and easily digestible to avoid sluggishness. Before retiring to sleep in the morning, a modest portion of complex carbohydrates (such as warm oatmeal with a dash of cinnamon) promotes serotonin and melatonin synthesis, ensuring uninterrupted and restorative daytime sleep.
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Scientifically reviewed by a clinical dietitian
• 24.09.2026
mgr Literatura: Edyta Santorek – Strumiłło; Wpływ pracy zmianowej na rytmy okołodobowe – badania porównawcze na pracownikach służby zdrowia i policjantach ; „Przegląd Lekarski 2012/69/3” Jonathan D. Johnston; Physiological responses to food intake throughout the day; Nutr Res Rev. 2014 Jun; 27(1): 107–118 Krystyna Zużewicz – CIOP-PIB; Nauka o pracy: bezpieczeństwo, higiena i ergonomia
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