Jeffrey Salazar
A good diet is key to staying awake and alert throughout the day. While caffeine and sugar are the most popular go-to options, they are not the most nutritious. A diet high in ultra-processed foods, saturated fats, and refined carbs can lead to weight gain and sleep issues. On the other hand, a low-calorie Mediterranean diet, coupled with physical activity, can improve weight loss and bone density. Eating healthy fats and proteins can help you stay full for longer and avoid a sugar crash. Certain foods like green tea, chocolate, whole grains, fruits, and bananas can also give you an energy boost.
Does a better diet help you feel more awake?
| Characteristics | Values |
|---|---|
| High-fat foods | May disrupt sleep |
| Fatty meats and desserts | May disrupt sleep |
| Spicy foods | May cause indigestion and reflux symptoms, which may disturb sleep |
| High glycemic index (GI) foods | May cause insomnia and sleep issues |
| Sugar-sweetened caffeinated beverages | May cause sleep issues |
| Caffeine | May disrupt sleep |
| Green tea | May increase alertness |
| Chewing gum | May increase alertness |
| High-calorie foods | May cause weight gain and decrease sensitivity to the brain chemical orexin, disrupting sleep |
| Ultra-processed foods | May lead to weight gain and poor sleep quality |
| Alcohol | May cause sleep disturbances |
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What You'll Learn
- A diet with less caffeine and sugar can improve sleep quality
- High-fat foods disrupt sleep due to indigestion and acid reflux
- Spicy foods can cause reflux and increase body temperature, disturbing sleep
- A Mediterranean diet can help with weight loss and improve sleep
- Green tea, chocolate, whole grains, fruits, and protein can help you stay awake
A diet with less caffeine and sugar can improve sleep quality
Caffeine is a well-known stimulant that can keep us awake. It is a go-to option for many people when they are feeling tired. However, caffeine can be found in a wide range of foods and drinks, including energy drinks, tea, chocolate, ice cream, and breakfast cereals. A diet high in caffeine can disrupt sleep, and people who sleep less tend to consume more caffeinated beverages, creating a negative cycle.
Sugar is another substance that can negatively impact sleep quality. High-sugar foods and drinks can cause significant spikes and drops in blood sugar levels, leading to the release of hormones such as adrenaline, cortisol, and growth hormones. This can result in symptoms like anxiety, hunger, and irritability, disrupting sleep. Research has linked high-sugar diets with insomnia and sleeping issues.
In addition to caffeine and sugar, spicy foods can also disturb sleep. They can cause indigestion and reflux symptoms, making it difficult to sleep. Spicy foods can also increase core body temperature, which is disruptive since the body's temperature naturally drops during sleep.
Fatty foods can also impact sleep quality. The body's digestion slows down during sleep, so consuming fatty foods close to bedtime can overwhelm the digestive system, leading to discomfort and indigestion. Studies have found links between high-fat diets and shorter sleep times, as well as less restorative sleep.
By reducing the intake of caffeine, sugar, spicy foods, and fatty foods, individuals can improve their sleep quality and feel more awake during the day.
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High-fat foods disrupt sleep due to indigestion and acid reflux
A good diet can help you feel more awake, and high-fat foods are one of the main culprits when it comes to disrupting sleep. Fatty foods lower pressure on the LES (lower esophageal sphincter) and delay stomach emptying, increasing the risk of acid reflux and indigestion. This is because the digestive tract slows when we sleep, so eating a fatty meal may overwhelm the digestive system, leading to discomfort that can keep us awake.
A 2016 study of 15,273 men found that those with insomnia had diets higher in trans fats than those without sleep issues. Another study of 459 women showed that the more total fat and saturated fat consumed, the less they slept. A diet high in fat can also cause weight gain, which has been linked to sleep apnea, a condition that can make it hard to breathe at night, resulting in sleep loss.
High-fat foods are also known to exacerbate symptoms of acid reflux, which can keep you awake. Acid reflux occurs when the LES relaxes and delays the digestive process, allowing food to sit in the stomach for longer. When we lie down after eating, the risk of acid reflux increases, as the food is more likely to come back up the esophagus. This is why it is recommended to avoid eating large meals or triggering foods late in the evening, and to stay upright for at least three hours after eating.
Fatty foods are not the only cause of acid reflux, as spicy foods, certain fruits, vegetables, and beverages can also trigger symptoms. However, high-fat foods are more likely to cause or exacerbate acid reflux, which can then lead to sleep disturbances. To prevent acid reflux, it is recommended to reduce total fat intake and eat smaller, more frequent meals.
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Spicy foods can cause reflux and increase body temperature, disturbing sleep
A good diet can help you feel more awake and energized. However, certain foods can disrupt your sleep and make you feel tired. Spicy foods, for example, can cause reflux and increase body temperature, disturbing sleep.
Spicy foods are known to cause heartburn and acid reflux, which can be especially unpleasant at night. Nighttime reflux occurs when the lower esophageal sphincter relaxes, allowing stomach acid to rise up into the esophagus. This can be exacerbated by lying down, as more stomach contents can flow back up, disturbing sleep. Spicy foods are considered a common trigger for heartburn and reflux, with capsaicin, the chemical compound that makes them spicy, irritating the esophagus. A 2017 Korean study found that more than half of the assessed cases experienced GERD symptoms after consuming hot, spicy stews.
In addition to causing reflux, spicy foods can also increase your core body temperature. As the body's temperature naturally drops during sleep, spicy foods can disrupt this transition, making it harder to fall asleep. A study on six young, healthy males found that a spicy evening meal disturbed their sleep, increasing the total time awake and sleep onset latency.
To avoid sleep disturbances, it is recommended to refrain from consuming spicy foods within three hours of bedtime. This allows enough time for the stomach to empty and reduces the risk of reflux. Consuming smaller portions and staying in an upright position after meals can also help prevent reflux.
Other dietary factors that can impact sleep include caffeine, sugar, and high-fat foods. Caffeine, found in coffee, tea, energy drinks, and even chocolate, is well-known for its ability to keep people awake. Sugar-sweetened beverages have also been linked to reduced sleep, with a study finding that those sleeping five hours or less had a higher intake of such drinks. High-fat meals, particularly close to bedtime, can overwhelm the digestive system, leading to discomfort and acid reflux, impacting sleep.
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A Mediterranean diet can help with weight loss and improve sleep
A good diet is essential to staying awake and feeling energized throughout the day. A poor diet can lead to weight gain and sleep issues, which can make you feel tired and sluggish.
A Mediterranean diet can be a great way to improve your health, lose weight, and enhance your sleep quality. This diet is plant-based and rich in antioxidants and unsaturated fats, and it has been associated with lower rates of non-communicable diseases and improved overall health and well-being.
The Mediterranean diet is not restrictive and allows occasional red meat, sweets, and pastries. However, it emphasizes the importance of minimizing processed foods, which are high in calories and can lead to weight gain. By reducing your consumption of ultra-processed foods, you can lower your risk of obesity and improve your sleep quality. Obesity can lead to obstructive sleep apnea, making it difficult to breathe at night and resulting in sleep loss.
In addition to weight loss, the Mediterranean diet has been linked to improved sleep quality. Studies have shown that a higher intake of certain flavonoids, phenolic acids, and lignans, found in fruits, vegetables, olive oil, and nuts, was associated with better sleep quality in normal-weight individuals. While some studies have shown inconsistent results, others have found that the Mediterranean diet improved sleep latency in normal and overweight individuals.
The Mediterranean diet also encourages slow and mindful eating, which can help you eat less and maintain a healthy weight. Additionally, this diet recommends sharing meals with loved ones, which can boost your mood and reduce loneliness, contributing to overall well-being.
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Green tea, chocolate, whole grains, fruits, and protein can help you stay awake
A healthy diet can play a role in improving your sleep quality and making you feel more awake during the day. Green tea, chocolate, whole grains, fruits, and protein can help you stay awake, and their benefits are explained below.
Green tea is a popular beverage with many health benefits. It contains caffeine, which is a stimulant that can promote nerve cell function, improving your mood, reaction time, and memory. Green tea also contains amino acids, the most abundant of which is theanine, which is thought to improve brain function, reduce stress, and promote relaxation. Evidence suggests that drinking 3–4 cups (750–1,000 ml) of low-caffeinated green tea throughout the day may reduce fatigue and improve stress markers. However, drinking green tea at night may not be beneficial for everyone due to its caffeine content, which can make it difficult to fall asleep.
Chocolate contains caffeine and other stimulants such as theobromine, which increases heart rate and causes sleeplessness. Eating chocolate at night, especially dark chocolate, can potentially keep you awake due to its caffeine and stimulant content.
Consuming high-protein foods can leave you feeling more alert during the day. High-protein foods contain more amino acids, including tryptophan, which is necessary for serotonin production. However, high-protein meals block the brain's ability to produce serotonin, leading to increased alertness. Therefore, if you want to stay awake, opt for a high-protein meal during the day, and favour carbohydrates at night to help you rest.
Whole grains are a good source of dietary fibre and contain essential minerals such as magnesium, selenium, and copper. These minerals, along with phytochemicals, may protect against some cancers and help prevent heart attacks or strokes. Additionally, the fibre in whole grains helps maintain steady blood sugar levels by slowing the breakdown of starch into glucose, preventing sharp spikes and drops in blood sugar that can lead to symptoms like anxiety and hunger.
Fruits are a good source of natural sugars and can provide a quick energy boost. While specific studies on the impact of fruits on wakefulness are scarce, it is worth noting that a diet rich in fruits and vegetables is generally associated with improved health and increased energy levels.
In conclusion, green tea, chocolate, whole grains, fruits, and protein can all contribute to improving alertness and energy levels. However, it is important to note that individual sensitivity to certain substances, such as caffeine, may vary, and consuming these foods and beverages in moderation is essential for maintaining a healthy balance and a good night's sleep.
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Frequently asked questions
Yes, caffeine helps you stay awake. It is found in coffee, tea, energy drinks, chocolate, and even decaffeinated coffee and tea.
Yes, green tea and chewing gum can help increase alertness. Bananas, fruits, and whole grains are also healthy alternatives to caffeine.
A diet high in ultra-processed foods can lead to weight gain and sleep issues. High-fat foods can cause indigestion and acid reflux, which can keep you awake. Spicy foods can also cause indigestion and a rise in body temperature, which can negatively affect sleep.
Spicy foods, tomato sauce, caffeine, alcohol, and high-fat foods should be avoided before bed.
Yes, a low-calorie Mediterranean diet coupled with physical activity can help improve sleep.
