Скачать или смотреть Energy drinks can indirectly contribute to hair loss and cause significant sleep disturbances.

Energy drinks can indirectly contribute to hair loss and cause significant sleep disturbances, primarily due to their high content of caffeine, sugar, and other stimulants. While moderate consumption might not cause noticeable harm, regular or excessive intake can disrupt the body's natural sleep-wake cycle, elevate stress hormones, and lead to nutrient deficiencies that impair hair health.
Impact on sleep
Energy drinks negatively affect sleep quality and duration through their primary ingredients, which can create a cycle of dependency.
Caffeine: The main psychoactive component in energy drinks blocks adenosine receptors in the brain that promote tiredness, leading to increased alertness. A single energy drink can contain more than twice the caffeine of an 8-ounce cup of coffee, and its effects can last for four to six hours, interfering with both falling asleep and staying asleep.
Sugar: The high sugar content in many energy drinks causes blood glucose levels to spike and then crash. This can disrupt the sleep-wake cycle and lead to fatigue, which may tempt a person to consume more energy drinks, creating a vicious cycle of poor sleep and reliance on stimulants.
Insomnia and poor sleep: Studies have consistently linked energy drink consumption to poorer sleep outcomes, including insomnia, shorter sleep duration, and increased daytime sleepiness. A 2024 study of college students found that even infrequent use (one to three times per month) was associated with a higher risk of sleep problems.
Impact on hair
Energy drinks do not directly cause hair loss, but their high-sugar and high-caffeine content creates conditions that can lead to hair thinning and shedding over time.
Hormonal disruption: High sugar consumption can lead to insulin spikes and inflammation, which can affect hormones, including those that regulate the hair growth cycle. Excess caffeine can also elevate cortisol levels—the stress hormone—which is known to disrupt the normal hair growth cycle and contribute to hair loss.
Nutrient depletion: Energy drinks contain few nutrients and can suppress appetite. This may lead to a poor diet lacking essential vitamins and minerals like iron, zinc, and biotin, all of which are critical for healthy hair growth. Caffeine can also hinder the body's absorption of iron, a key mineral for hair strength.
Dehydration: The diuretic effect of caffeine can lead to dehydration throughout the body, including the scalp. A dry scalp is more prone to flakiness, while dehydrated hair is weaker and more brittle, making it susceptible to breakage.
Positive effect of caffeine on hair
Interestingly, while excessive oral caffeine is harmful, topical application of caffeine has shown some promise in promoting hair health.
When applied directly to the scalp via shampoos or serums, caffeine can increase blood circulation to the hair follicles, potentially stimulating growth and inhibiting dihydrotestosterone (DHT)—a hormone linked to male and female pattern hair loss.
The caffeine in these products works at the root level without the systemic effects of consuming an energy drink.