Does Alcohol Dehydrate You? Facts, Research, and Tips


All of these experiences can lead to unnecessary levels of stress and can have a long term impact on your wellbeing. Before we go any further it’s probably worth clarifying what is meant alcohol-free or non-alcoholic wine.

does red wine dehydrate you

Even if you fall asleep quickly after drinking wine, you might not feel rested in the morning. Medical experts point out that drinking alcohol causes disruptive sleep. Don’t forget that your body will also sweat or vomit the toxins produced during digestion, so hangovers can also deplete your electrolytes. If your body has an electrolyte imbalance, plain water alone won’t fully rehydrate you. Drink water with hydration tablets or food to improve your absorption of fluid and feel better.

White Wines

It happens even when there’s an opportunity and desire to sleep. By drinking wine the night before and experiencing poor quality sleep, then feeling tired throughout the following day can lead to a vicious cycle. One that consists of drinking stimulants like coffee during the day to stay awake, then drinking wine as a self-medicated sedative to help fall asleep. The alcohol leads to another bad night’s sleep, and so the cycle begins again. Initially alcohol can make you feel more confident and less anxious, but as you continue drinking alcohol the impact on your brain function increases.

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In a few minutes, you’ll feel the effects of the IV drip therapy and may experience your hangover symptoms vanish does alcohol dehydrate you into the ether. A good rule of thumb is that the higher the beverage’s alcohol content, the more dehydrating.

Why does alcohol cause dehydration?

Sulfites – which are used as a preservative in wine – are unlikely to be a headache factor. Wine, like other alcoholic beverages, is a diuretic which promotes dehydration that can lead to headaches , indicating a need to maintain hydration when drinking wine and to consume in moderation. A 2017 review found that 22% of people experiencing migraine or tension headaches identified alcohol as a precipitating factor, and red wine as three times more likely to trigger a headache than beer.

Alcohol inhibits antidiuretic hormone vasopressin, which leads to the small spike in urination discussed above. However, more interestingly, this impact on vasopressin causes a pendulum swing that creates wider hormonal imbalances. Perhaps you dehydrated yourself while exercising or spending all day in the hot sun. Given the ideal red wine, there is one more major factor that will help you avoid a wine hangover.

Alcohol and your body: What happens

It is therefore critical that you understand how your body reacts to wine consumption. Wine inhibits the processing of vasopressin hormone whose major role is water retention. This hormone works by constricting the blood vessels in the body.

Why does wine make you so hung over?

When it comes to wine, congeners are believed to be responsible for the extra-intense hangovers. Red wine and other dark drinks have higher concentrations of congeners, which are chemical byproducts of the fermentation process that gives these drinks their taste and smell.

This equates to drinking five or more drinks within 2 hours for males and four or more drinks within 2 hours for females. Dehydration is when the body does not have sufficient amounts of fluid to function effectively. This happens when a person loses more fluids than they take in. “Incorporate water before, during and after consumption to help combat that water and electrolyte loss.”