Here’s what to eat every day to help you sleep better

Experts suggest that adopting consistent dietary patterns, rich in lean proteins, fruits, vegetables, whole grains, nuts, seeds, and dairy, can enhance both the quality and duration of sleep over time. These findings come from recent studies highlighting the long-term benefits of holistic nutrition rather than relying on isolated “superfoods” or quick fixes. According to Erica Jansen, an assistant professor of nutritional sciences at the University of Michigan School of Public Health, focusing on overall dietary changes yields better results than chasing specific snacks or ingredients. Melatonin, a hormone crucial for regulating sleep-wake cycles, plays a central role in this relationship. Naturally produced by the brain in response to darkness, melatonin signals the body that it is time to rest. However, research indicates that certain foods can also contribute to melatonin levels. Fruits and vegetables such as bananas, pineapples, oranges, tomatoes, and tart cherries are known sources. Nuts, especially walnuts, seeds, fish, eggs, and milk also provide melatonin or its precursors. A 2021 study involving over 1,000 young adults showed that increasing fruit and vegetable consumption over three months led to noticeable improvements in insomnia symptoms, sleep latency, and overall sleep quality. Another analysis revealed that individuals consuming five additional cups of fruits and vegetables daily experienced a 16 percent improvement in sleep quality compared to those who maintained lower intakes. Phyllis Zee, a professor of neurology, warned against eating too close to bedtime, noting that such practices could lead to disrupted sleep, increased reflux, and potential negative impacts on cardiometabolic health. Tryptophan, an essential amino acid that the body cannot synthesize independently, is another key player in promoting better sleep. This compound is a precursor to serotonin, which in turn converts to melatonin. Marie-Pierre St-Onge, a professor of nutritional medicine and director of the Centre of Excellence for Sleep and Circadian Research at Columbia University, emphasized that tryptophan-rich foods should be part of a balanced diet. Chicken, turkey, fish, particularly salmon due to its omega-3 content, cheese, egg whites, nuts, seeds, and dairy products all contain varying levels of tryptophan. A 2024 study examining the diets and sleep patterns of over 11,000 university students in Spain found that those with the lowest tryptophan intake were more prone to experiencing poor sleep duration and insomnia symptoms. St-Onge explained that complex carbohydrates, such as whole grains, legumes, and starchy vegetables, aid in the absorption of tryptophan. Additionally, magnesium, B vitamins, and zinc play roles in converting tryptophan into melatonin. These micronutrients are abundant in plant-based diets, further supporting the link between nutrient-rich meals and improved sleep outcomes. Dietary recommendations often emphasize Mediterranean-style meals, which typically feature a variety of fruits, vegetables, whole grains, and lean proteins. For instance, dishes like Sarah Pound’s one-pan fish with cherry tomatoes, olives, and cannellini beans exemplify the kind of meal that supports better sleep. St-Onge, who authored Eat Better, Sleep Better, noted that diets consistently incorporating these elements are linked to sustained improvements in sleep quality over time. Her ongoing research continues to explore how specific combinations of nutrients influence circadian rhythms and sleep architecture. As interest in the intersection of nutrition and sleep grows, experts urge individuals to consider gradual lifestyle adjustments rather than seeking immediate solutions. By integrating nutrient-dense foods into daily routines and avoiding late-night snacking, individuals may find themselves achieving more restful nights. Future studies aim to refine these dietary guidelines, offering clearer insights into how specific nutrients interact with sleep mechanisms at the physiological level.