{"id":231204,"date":"2025-10-20T10:02:51","date_gmt":"2025-10-20T08:02:51","guid":{"rendered":"https:\/\/crownsportnutrition.com\/?p=231204"},"modified":"2025-10-20T13:25:02","modified_gmt":"2025-10-20T11:25:02","slug":"eat-well-sleep-better-nutritional-recommendations-to-optimize-rest-and-performance","status":"publish","type":"post","link":"https:\/\/crownsportnutrition.com\/en\/eat-well-sleep-better-nutritional-recommendations-to-optimize-rest-and-performance\/","title":{"rendered":"Eat Well, Sleep Better: Nutritional Recommendations to Optimize Rest and Performance"},"content":{"rendered":"\n

The relationship between nutrition and sleep<\/strong> is a key pillar for both health and athletic performance. During nightly rest, the body enters a repair mode in which crucial processes are activated: muscle protein synthesis<\/strong>, the release of growth hormone<\/strong>, and the regulation of cortisol<\/strong>, the stress hormone [1,2].
Thanks to this balance, the body can recover from effort, strengthen muscle mass, and maintain an optimal body composition.<\/p>\n\n\n\n

Sleeping well is therefore an invisible tool for performance \u2014 it enhances training outcomes and promotes more complete recovery. Conversely, lack of sleep impairs insulin sensitivity<\/strong>, deregulates appetite, and creates a less favorable hormonal environment for muscle regeneration, limiting performance improvements [1,2].<\/p>\n\n\n\n

In this context, an adequate diet and restorative sleep become strategic allies for optimizing recovery and performance.<\/p>\n\n\n\n

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What Is the Relationship Between Nutrition and Sleep?<\/h2>\n\n\n\n

The composition of macronutrients, food choices, and meal timing directly influence the quality of rest.<\/p>\n\n\n\n

Carbohydrates<\/strong> play a key role, as they help tryptophan<\/strong>, an essential amino acid, reach the brain. Tryptophan is the starting point for producing serotonin<\/strong> and melatonin<\/strong>, two molecules that regulate the sleep\u2013wake cycle [3,4].<\/p>\n\n\n\n

Including a portion of complex carbohydrates<\/strong> (such as oats, rice, or potatoes) at dinner can improve sleep onset and overall sleep quality.<\/p>\n\n\n\n

At the same time, certain proteins<\/strong> provide tryptophan \u2014 such as turkey, eggs, dairy products, and legumes \u2014 and when combined with carbohydrates, they further enhance serotonin and melatonin synthesis [5,6].<\/p>\n\n\n\n

The type of fat<\/strong> also makes a difference: unsaturated fats<\/strong> (olive oil, nuts, oily fish) contribute to better hormonal regulation and deeper, more stable sleep.
Conversely<\/strong>, an excess of saturated or trans fats is linked to shorter and more fragmented sleep [3,5,6].<\/p>\n\n\n\n

Moreover<\/strong>, following a Mediterranean or balanced dietary pattern<\/strong>, rich in fruits, vegetables, legumes, whole grains, and healthy fats, is associated with better sleep quality and duration, reduced daytime sleepiness, and lower risk of insomnia \u2014 both in athletes and the general population [7].<\/p>\n\n\n\n

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What Is the Best Time to Have Dinner for Better Sleep?<\/h2>\n\n\n\n

Meal timing matters as much as food composition. Eating too late or consuming heavy meals right before bed can disrupt melatonin release and alter sleep structure.<\/p>\n\n\n\n

In contrast, having an early, light dinner \u2014 about 1.5 to 3 hours before bedtime \u2014 supports easier sleep onset and higher sleep efficiency<\/strong> [12].<\/p>\n\n\n\n

For athletes, an evening meal within this time window can help reduce nighttime awakenings and promote better recovery overnight.<\/p>\n\n\n\n

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Which Micronutrients Are Important for Sleep and Nighttime Recovery?<\/h2>\n\n\n\n

Beyond macronutrients, certain micronutrients and supplements<\/strong> can significantly affect sleep quality, especially in athletes with high physical and metabolic demands.
These compounds act on neurotransmitters, hormones, and muscle recovery processes that directly influence rest.<\/p>\n\n\n\n

One of the most studied is magnesium<\/strong>, an essential mineral for muscle relaxation and nervous system function. Research suggests that magnesium supplementation may shorten sleep latency and improve sleep efficiency, though results are not always conclusive [8\u201310].<\/p>\n\n\n\n

Calcium, iron, and zinc<\/strong> also play a relevant role in neurotransmitter production and the regulation of circadian rhythms [9,10]. Deficiencies \u2014 particularly of calcium or vitamin D \u2014 are associated with fragmented sleep and insomnia.<\/p>\n\n\n\n

B vitamins<\/strong>, especially B12<\/strong> and folate<\/strong>, are necessary for melatonin synthesis and proper nervous system function [9,10].
However, excessive intake of some of these vitamins may alter sleep duration, so maintaining balance and consulting a professional before supplementing is always recommended.<\/p>\n\n\n\n

Lastly, casein<\/strong>, a slow-digesting protein found in dairy, can support muscle recovery overnight<\/strong> and increase satiety. While its direct impact on sleep quality is modest, it is useful as part of a nutrition strategy focused on recovery [11].<\/p>\n\n\n\n

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Which Nutritional Habits Help You Sleep Better?<\/h2>\n\n\n\n

To improve nutrition and sleep<\/strong> holistically, consider the following evidence-based habits:<\/p>\n\n\n\n

\ud83c\udf7d\ufe0f Balanced Dinners and Light Digestion [12]<\/h3>\n\n\n\n

Choose moderate dinners that include carbohydrates (rice, potato, bread, or oats), tryptophan-rich proteins (turkey, eggs, legumes, dairy), and healthy fats (olive oil, avocado, nuts).
Avoid fried foods and saturated fats.<\/p>\n\n\n\n

Examples:<\/strong> rice with turkey and vegetables, whole-grain bread with egg and spinach, or natural yogurt with banana and walnuts.<\/p>\n\n\n\n

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\ud83d\udd53 Dinner Timing [12]<\/h3>\n\n\n\n

Eat dinner 1.5 to 3 hours before bedtime<\/strong> to allow proper digestion and improve sleep efficiency.
Avoid eating right before lying down or too early in the evening.<\/p>\n\n\n\n

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Control of Stimulants [13]<\/h3>\n\n\n\n

Limit caffeine, tea, and pre-workout supplements<\/strong> at least 6 hours before bed.
Afternoon caffeine doses above 2 mg\/kg<\/strong> can reduce sleep duration and efficiency.
Adjust intake according to your individual tolerance and training schedule.<\/p>\n\n\n\n

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Hydration and Nighttime Rest [14]<\/h3>\n\n\n\n

Stay well-hydrated during the day but reduce liquid intake in the hour before bed to avoid nighttime awakenings.
Avoid sugary or carbonated drinks at night.<\/p>\n\n\n\n

Useful options include milk<\/strong> (rich in tryptophan and casein) or tart cherry juice<\/strong>, a natural source of melatonin.<\/p>\n\n\n\n

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What Conclusions Can We Draw?<\/h2>\n\n\n\n

Caring for nutrition and sleep<\/strong> is essential for both health and performance.
A balanced diet rich in nutrients that promote serotonin and melatonin production \u2014 combined with good dinner habits and proper control of stimulants \u2014 can significantly enhance sleep quality.<\/p>\n\n\n\n

For athletes, this translates into more complete recovery, better training adaptation, and improved performance.<\/strong><\/p>\n\n\n\n

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\ud83d\udc49 M<\/a>ore informaci\u00f3n<\/a><\/p>\n\n\n\n

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