No single cure eliminates a hangover instantly, but several strategies genuinely speed up recovery by targeting the specific things alcohol did to your body. A hangover is the combined result of dehydration, inflammation, poor sleep, and low blood sugar. Fixing it means addressing each of those problems directly.
Why You Feel This Bad
When your liver processes alcohol, it produces a toxic byproduct called acetaldehyde. This compound damages cells, triggers inflammation, and activates your immune system in ways that flood your body with the same inflammatory signals you’d see during an infection. That’s why a hangover can feel like being sick: headache, body aches, fatigue, and brain fog all trace back to this inflammatory cascade.
At the same time, alcohol suppresses a hormone that helps your kidneys retain water. You lose fluids and electrolytes faster than normal, which contributes to the headache, dry mouth, and dizziness. Alcohol also disrupts your blood sugar regulation, sometimes dropping glucose low enough to cause shakiness, confusion, and severe fatigue. And the sleep you got after drinking was worse than no sleep at all in some ways: alcohol suppresses REM sleep, the restorative phase your brain needs most, leaving you mentally foggy even after a full night in bed.
Rehydrate With More Than Water
Drinking water helps, but it’s not the most efficient option. Plain water passes through your system quickly, and your body retains relatively little of it when you’re already depleted. Electrolyte drinks, particularly those with a high sodium concentration (around 50 to 60 mmol per liter), dramatically improve fluid retention. In one study, an oral rehydration solution with 60 mmol/L sodium achieved 30% fluid retention over five hours, while plain water actually resulted in a net fluid loss. A typical sports drink with about half that sodium content fell in between at 10% retention.
The practical takeaway: grab a pharmacy-grade oral rehydration solution (the kind marketed for illness or athletic recovery) rather than a standard sports drink. If you only have water available, pair it with salty food. Sipping steadily over a few hours works better than chugging a large amount at once, since your body can only absorb so much fluid at a time.
Eat the Right Breakfast
Alcohol can push your blood sugar low enough to cause fatigue, mental confusion, and dizziness. Eating carbohydrates brings those levels back up. Toast, oatmeal, bananas, or crackers are all reasonable first choices, especially if your stomach is sensitive.
Eggs deserve special mention. They’re rich in an amino acid called L-cysteine, which helps your body break down acetaldehyde, the toxic byproduct responsible for much of the misery. A study published in the journal Alcohol and Alcoholism found that L-cysteine supplementation reduced hangover symptoms including nausea, headache, and anxiety. You don’t need a supplement for this. A couple of eggs at breakfast delivers a meaningful dose along with protein and fat that help stabilize your blood sugar for hours rather than minutes.
If nausea makes eating difficult, start small. A few bites of plain toast or a banana are enough to nudge your blood sugar upward. Ginger tea or ginger chews can help settle your stomach enough to get food down.
Sleep It Off (For Real This Time)
The sleep you got while drinking was physiologically different from normal sleep. Alcohol suppresses REM sleep throughout the night, and once blood alcohol levels drop in the early morning hours, your sleep becomes fragmented and shallow. This is why you might wake up at 4 or 5 a.m. feeling wired but exhausted.
Going back to sleep, or napping later in the day, gives your brain a chance to recover the REM sleep it missed. Even a 90-minute nap (long enough to cycle through a full sleep stage) can meaningfully reduce the cognitive fog and irritability that come with a hangover. Your body also clears metabolic waste products more efficiently during sleep, so rest isn’t passive. It’s one of the most productive things you can do.
Choose Your Pain Reliever Carefully
This is where many people make a dangerous mistake. Acetaminophen (Tylenol) and alcohol are a harmful combination for your liver. Alcohol changes how your liver processes acetaminophen, leading to a buildup of a toxic byproduct that can kill liver cells. The American College of Gastroenterology warns that people who drink regularly should avoid acetaminophen entirely, and even occasional drinkers should never take the maximum recommended dose after a night of heavy drinking.
Ibuprofen (Advil, Motrin) or aspirin are generally safer choices for hangover headaches, though they can irritate an already-sensitive stomach. Take them with food and water, and stick to the lowest effective dose. If your stomach is too upset for anti-inflammatory pills, a cold compress on your forehead or the back of your neck can take the edge off a headache without any medication.
Coffee: Helpful but Limited
Caffeine constricts blood vessels, which can relieve the throbbing vascular headache that comes with a hangover. It also counteracts fatigue and improves alertness in the short term. The concern that coffee will dehydrate you further is mostly overblown. Research from the Mayo Clinic confirms that the fluid in caffeinated drinks generally offsets the mild diuretic effect of caffeine at normal doses.
That said, high doses of caffeine on an empty, irritated stomach can make nausea worse and increase anxiety, which is already elevated during a hangover. One or two cups of coffee paired with food and water is a reasonable approach. It won’t cure anything, but it can make the morning more tolerable.
What Doesn’t Work
“Hair of the dog,” or drinking more alcohol the morning after, is the most persistent hangover myth. It does temporarily suppress hangover symptoms, but only because it restarts the cycle. You’re not recovering; you’re postponing. Once your body processes the new alcohol, the hangover returns, often worse than before because you’ve added to the total toxic load your liver needs to clear.
Expensive IV drip clinics, hangover pills, and activated charcoal supplements lack strong evidence that they work better than the basics: fluids, electrolytes, food, and rest. Most commercial hangover remedies contain some combination of B vitamins, electrolytes, and anti-nausea ingredients, which aren’t harmful but aren’t magical either. You can get the same ingredients from a glass of oral rehydration solution and a plate of eggs.
What You Drink Matters for Next Time
Not all drinks produce equal hangovers. Darker alcoholic beverages like bourbon, whiskey, red wine, and dark beer contain higher levels of compounds called congeners, which are chemical byproducts of fermentation. These congeners worsen hangover symptoms independently of alcohol content. In a controlled study comparing bourbon and vodka at equivalent alcohol doses, bourbon drinkers reported significantly more severe hangovers. Vodka, gin, and other clear spirits have the lowest congener levels.
The amount you drink still matters far more than what you drink. But if you’re choosing between options and want to minimize tomorrow’s damage, lighter-colored drinks give your body less to process. Alternating alcoholic drinks with water throughout the night reduces total alcohol intake and keeps you more hydrated from the start, which is the closest thing to a genuine preventive strategy.