Most hangover symptoms come down to three things: dehydration, inflammation, and poor sleep. There’s no magic cure that erases a hangover instantly, but several strategies can ease the worst of it and help you recover faster. A systematic review of 21 randomized trials on hangover remedies, published in the journal Addiction, found no convincing evidence that any supplement or commercial “cure” actually works. What does help is addressing the specific ways alcohol disrupted your body.
Why Hangovers Feel So Bad
When your liver breaks down alcohol, it produces a toxic byproduct called acetaldehyde. This compound damages cells, triggers inflammation, and is responsible for much of the nausea and general misery you feel the next morning. Acetaldehyde also activates immune cells that flood your system with inflammatory signals, the same chemical messengers your body releases when you’re fighting an infection. That’s why a hangover can feel eerily similar to being sick: headache, body aches, fatigue, and brain fog all trace back to this inflammatory response.
On top of that, alcohol suppresses the deep, restorative phase of sleep that normally happens in the second half of the night. This is the stage responsible for memory, learning, and feeling rested. Even if you slept for eight hours after drinking, you likely missed out on the sleep your brain needed most. Poor sleep also makes headaches worse on its own, compounding the pain from dehydration and inflammation.
Alcohol also interferes with blood sugar. While your liver is busy processing alcohol, it stops releasing stored glucose into your bloodstream. This effect can lower blood sugar for up to 12 hours after your last drink, contributing to shakiness, weakness, irritability, and difficulty concentrating.
Rehydrate, But Don’t Overdo It
Alcohol is a diuretic, meaning it makes you urinate more than the volume of fluid you’re taking in. By morning, you’re running a fluid deficit. Sipping water steadily is the simplest and most effective thing you can do. Adding an electrolyte drink or even a pinch of salt to your water helps your body retain fluid rather than just passing it through.
Avoid chugging large amounts of water all at once, especially on a sensitive stomach. Small, frequent sips work better. Sports drinks, coconut water, or broth are all reasonable options that replace both fluid and electrolytes.
Eat the Right Foods
Because your liver deprioritizes blood sugar regulation while it processes alcohol, eating is one of the most effective ways to feel better. Focus on foods that combine carbohydrates, protein, and some fat. Toast with eggs, oatmeal with banana, or rice with a simple protein all work well. Carbohydrates bring blood sugar back up, while protein and fat slow digestion and keep levels stable.
If nausea makes eating difficult, start small. Crackers, a banana, or a piece of plain bread can be enough to get your blood sugar moving in the right direction. Ginger tea may help settle your stomach enough to eat something more substantial.
Choose the Right Pain Reliever
Reaching for a painkiller is tempting, but your choice matters. Anti-inflammatory drugs like ibuprofen or naproxen are generally the safer option after drinking. They target the inflammation driving your headache and body aches. However, they can irritate your stomach lining, so take them with food and skip them if you have a history of stomach ulcers or kidney problems.
Acetaminophen (Tylenol) is riskier. Both alcohol and acetaminophen are processed by the liver, and combining them increases the chance of liver damage. A single normal dose after an occasional night of drinking is unlikely to cause harm for most people. But if you drink regularly or heavily, keeping your total acetaminophen dose under 2,000 mg per day is the safer threshold. Anyone with existing liver disease should avoid acetaminophen after drinking entirely. Acetaminophen toxicity accounts for nearly half of acute liver failure cases in North America.
Rest and Let Time Work
Sleep is genuinely therapeutic here. Since alcohol robbed you of quality REM sleep overnight, a nap the next day can partially make up the deficit. Even 20 to 30 minutes of rest helps your body clear the remaining byproducts of alcohol metabolism and reduces the fatigue that amplifies every other symptom.
Light movement, like a short walk, can also help by boosting circulation without overtaxing a body that’s already stressed. Intense exercise is counterproductive: it increases dehydration, raises your core temperature, and puts additional strain on a system already working hard to recover.
What Doesn’t Work
The “hair of the dog” strategy, drinking more alcohol the next morning, delays your hangover rather than curing it. You’re simply restarting the cycle your liver is trying to finish. Coffee can help with the headache if you’re a regular caffeine drinker (since caffeine withdrawal adds its own headache on top), but it also increases dehydration and can worsen nausea.
Supplements marketed as hangover cures have no reliable evidence behind them. Researchers evaluated remedies including prickly pear, red ginseng, Korean pear juice, clove extract, NAC, artichoke extract, and various vitamin blends. Some individual studies showed mild improvements, but the evidence was rated very low quality across the board. No single remedy has been independently replicated in a second trial. Even common painkillers like aspirin have never been tested in proper placebo-controlled hangover trials.
How to Prevent a Worse Hangover Next Time
Your drink choice affects how bad the next morning feels. Darker liquors like bourbon, whiskey, and brandy contain higher levels of congeners, chemical byproducts of fermentation that worsen hangovers. Red wine is also high in these compounds. Vodka and beer sit at the lower end. One study found that hangover severity was significantly worse after bourbon compared to the same amount of vodka, even when participants reached identical blood alcohol levels of 0.11%.
Eating before and during drinking slows alcohol absorption substantially. Food that includes carbohydrates, protein, and fat is ideal because it keeps alcohol in the stomach longer before it hits the bloodstream. Alternating alcoholic drinks with water reduces both total alcohol intake and dehydration. And pacing matters more than most people realize: your liver processes roughly one standard drink per hour, so exceeding that rate is what pushes acetaldehyde levels into hangover territory.