A hangover typically lasts about 12 hours from the time you wake up, though the full physiological process stretches an average of 18 hours from your last drink. You can’t eliminate a hangover instantly, but you can shorten the worst of it and blunt the symptoms that make you miserable. The strategies that actually work target the specific things alcohol did to your body: dehydration, low blood sugar, inflammation, and wrecked sleep.
Why You Feel This Bad
Hangover symptoms kick in as your blood alcohol level drops back toward zero. That’s when the real damage becomes noticeable. Alcohol is a diuretic, meaning it forces your kidneys to flush more fluid than you’re taking in. It also irritates your stomach lining, triggers inflammation throughout your body, and suppresses the deep, restorative stages of sleep. On top of all that, your liver was working overtime to break down alcohol and its toxic byproducts, leaving you with depleted energy stores and low blood sugar.
The type of alcohol you drank matters too. Dark spirits like bourbon, brandy, and whiskey contain higher levels of congeners, chemical byproducts of fermentation that make hangovers worse. Red wine is also high in these compounds. Vodka and beer sit at the low end. One well-known study found that hangover severity scores were significantly higher after bourbon compared to vodka, even when participants reached the same blood alcohol level.
Rehydrate With More Than Water
Drinking water helps, but it’s not the fastest route to rehydration. Plain water lacks electrolytes, and without enough sodium, your kidneys just flush out what you drank. Oral rehydration solutions like Pedialyte contain two to three times more electrolytes and about half the sugar of sports drinks. That precise ratio of sugar and salt pulls fluid into your bloodstream faster than water alone, and the sodium helps your body actually retain it.
Sports drinks are a step up from plain water but not as efficient. If you don’t have Pedialyte on hand, you can approximate an oral rehydration solution by adding a pinch of salt and a small amount of sugar or honey to water. Start drinking fluids as soon as you wake up and keep sipping steadily rather than chugging a large amount at once, which can upset an already irritated stomach.
Eat the Right Foods Early
Alcohol disrupts your body’s ability to maintain normal blood sugar levels. By morning, your glucose stores are depleted, which contributes to the shakiness, fatigue, and brain fog you’re feeling. You need to eat, even if your stomach is protesting.
Start with something that combines fast-acting carbohydrates and protein. Toast with eggs, crackers with cheese, or a sandwich works well. The carbs raise your blood sugar quickly while the protein and fat help sustain it. Juice or a non-diet soda can give you an immediate glucose boost if you’re too nauseous for solid food. Avoid relying solely on high-fiber or high-fat foods at first, since both slow sugar absorption when what you need is a relatively quick correction. Once your blood sugar stabilizes, a fuller, balanced meal will help you feel more human.
Choose the Right Pain Reliever
For a pounding headache, ibuprofen (Advil, Motrin) is generally the better choice over acetaminophen (Tylenol). Here’s why: your liver just spent hours processing alcohol, and acetaminophen adds more work to an already stressed organ. Acetaminophen toxicity accounts for nearly half of acute liver failure cases in North America. A single normal dose after occasional drinking is unlikely to cause harm, but if you drink regularly or heavily, the Cleveland Clinic recommends keeping acetaminophen below 2,000 mg per day, half the usual maximum.
The tradeoff with ibuprofen and aspirin is that they can irritate your stomach, which alcohol has already inflamed. Take them with food and water, not on an empty stomach. A standard over-the-counter dose is enough. Taking more won’t speed up your recovery and will only increase the chance of stomach upset.
Get More Sleep If You Can
Alcohol disrupts your sleep cycles, particularly the deep, restorative phases your brain needs to recover. Even if you slept for eight hours, the quality was poor. You likely woke up multiple times in the second half of the night as alcohol’s sedative effect wore off.
If your schedule allows it, going back to sleep is one of the most effective things you can do. Your body does most of its repair work during sleep, and a few extra hours of better-quality rest (now that the alcohol is out of your system) can dramatically shorten how long you feel terrible. Keep the room cool and dark, and elevate your head slightly if you’re feeling nauseous or congested. Even a 90-minute nap, enough for one full sleep cycle, can make a noticeable difference.
What Doesn’t Work
“Hair of the dog,” drinking more alcohol to cure a hangover, is a myth that deserves to die. It works the same way that any painkiller “works” by masking the problem temporarily. Alcohol raises your endorphin levels and your blood alcohol level climbs back up, so you briefly feel better. But the hangover is just delayed. When you stop drinking again and your blood alcohol returns to zero, all the same symptoms come back, often worse because you’ve given your body even more alcohol to process.
IV hydration clinics have become trendy, but the evidence behind them is thin. The fluids, electrolytes, and vitamins in an IV drip can help with rehydration, but medical experts at the University of Rochester Medical Center note that IV fluids aren’t recommended unless someone genuinely can’t keep water down. For most hangovers, drinking fluids by mouth achieves the same result without the cost (often $150 to $300 per session) or the small but real risks of an unnecessary needle stick. Bloodwork should ideally be checked before IV fluids are administered, since they can be harmful in some situations.
A Faster Timeline
If you combine the strategies above, a realistic recovery looks something like this: rehydrate with an electrolyte drink and eat a carb-and-protein meal within the first hour of waking. Take ibuprofen with that food. Rest or nap for another hour or two if possible. Most people following this approach feel meaningfully better within four to six hours rather than the typical twelve.
The single most effective thing you can do for next time is prevention. Alternating alcoholic drinks with water throughout the night, eating a substantial meal before drinking, and choosing lighter-colored spirits over dark ones all reduce hangover severity. None of these are glamorous advice, but they’re backed by the same biology that makes your current morning so miserable.