The only guaranteed way to avoid a hangover is to not drink, but if you are going to drink, several evidence-based strategies can significantly reduce how rough you feel the next morning. Most hangovers result from a combination of dehydration, inflammation, toxic byproducts of alcohol metabolism, and disrupted sleep. Targeting each of these factors before and during a night out makes a real difference.
Eat Before You Drink
This is the single most effective thing you can do. Food in your stomach slows the rate at which alcohol reaches your small intestine, where most absorption happens. Instead of a sharp spike in blood alcohol, your body gets a more gradual rise it can handle. Research from Johns Hopkins University found that eating while drinking increases the rate your body clears alcohol from your bloodstream by 25 to 45 percent.
The best pre-drinking meal includes a mix of protein, fat, and carbohydrates. Fat slows digestion the most, which is why people swear by greasy food before a night out, but protein and complex carbs help sustain that effect. Think a burger, a plate of pasta with meat sauce, or eggs and avocado toast. A handful of nuts an hour before your first drink is better than nothing, but a full meal is better.
Pace Yourself and Track Your Drinks
Your liver processes roughly one standard drink per hour. In the United States, one standard drink contains 14 grams of pure alcohol, which works out to a 12-ounce beer, a 5-ounce glass of wine, or a 1.5-ounce shot of liquor. Every drink beyond that hourly pace creates a backlog of acetaldehyde, the toxic byproduct your liver produces as it breaks down alcohol. Acetaldehyde is the most well-known toxic compound from alcohol metabolism, and it’s a major driver of nausea, headache, and that general feeling of being poisoned.
Alternating every alcoholic drink with a glass of water does two things: it slows your pace and counteracts dehydration. Alcohol suppresses a hormone that tells your kidneys to retain water, so you lose fluid faster than you realize. Matching each drink with water won’t eliminate dehydration entirely, but it keeps you from digging a deep hole.
Choose Lighter-Colored Drinks
Not all alcohol is created equal when it comes to hangovers. Dark liquors like bourbon, whiskey, and red wine contain higher levels of congeners, which are trace chemical compounds produced during fermentation and aging. Clear liquors like vodka and gin have far fewer. In a study comparing bourbon drinkers to vodka drinkers at the same blood alcohol levels, bourbon produced noticeably more severe hangovers. If you’re trying to minimize next-day misery, sticking with clear spirits or white wine gives you an edge.
Sugar-heavy mixers also deserve attention. Sugary cocktails can mask how much alcohol you’re consuming, making it easy to overshoot. They may also contribute to blood sugar swings overnight that worsen fatigue and headaches the next day. Simple mixers like soda water or tonic are easier on your system.
Why Alcohol Wrecks Your Sleep
You might fall asleep fast after drinking, but the quality of that sleep is poor, and this is one of the biggest reasons hangovers feel so brutal. Alcohol suppresses your body’s production of glutamine, a stimulating amino acid. Once you stop drinking and your blood alcohol drops, your body overcompensates by flooding your system with extra glutamine. This is called glutamine rebound, and it’s why you find yourself wide awake at 4 a.m. after a night out.
Research has shown that glutamine rebound causes increased waking and lighter sleep during the second half of the night. You essentially get a few hours of deep (but not restorative) sleep followed by hours of fragmented, restless tossing. The result is fatigue, brain fog, and irritability on top of everything else. Stopping your last drink at least three to four hours before bed gives your body more time to process the alcohol and reduces the severity of this rebound effect.
Hydrate Strategically
Drinking water throughout the night helps, but the timing of your last glass matters most. Before you go to sleep, drink a full glass or two of water and keep more by your bed. Adding an electrolyte packet or eating something salty before bed helps your body actually retain the water instead of just running it through your kidneys.
The morning after, continue hydrating, but don’t rely on water alone. Alcohol depletes sodium, potassium, and magnesium. Sports drinks, coconut water, or broth-based soups replenish these faster than plain water. Coffee can help with headache if you’re a regular caffeine drinker, but it’s also a diuretic, so pair it with water.
What About Supplements?
A few supplements show early promise, though none are miracle cures. Prickly pear extract got attention after a study at Tulane University tested it on 64 volunteers. Those who took the extract before drinking reported fewer severe hangovers the next morning and had lower blood levels of C-reactive protein (an inflammation marker) and the stress hormone cortisol. They specifically experienced less nausea, dry mouth, and appetite loss. The catch: not all hangover symptoms improved, and the extract needed to be taken before drinking.
Dihydromyricetin, often sold as DHM, is a compound from the Japanese raisin tree that appears to support alcohol metabolism. It’s currently being studied in clinical trials at doses ranging from 300 to 900 milligrams. The evidence is still building, and there’s no consensus yet on the ideal dose for hangover prevention, but it’s one of the more credible ingredients in the supplement market.
B vitamins and zinc have also been linked to less severe hangovers in survey-based research, likely because alcohol depletes both. A B-complex vitamin before bed is low-risk and may help your body recover overnight.
A Practical Game Plan
Putting it all together, here’s what a low-hangover night looks like:
- Two hours before drinking: Eat a full meal with protein, fat, and carbs.
- While drinking: Stick to clear liquors with simple mixers. Alternate every drink with a glass of water. Stay at or under one drink per hour.
- Three to four hours before bed: Have your last drink. This gives your body time to process the alcohol before sleep.
- Before bed: Drink a large glass of water with electrolytes. Eat a small snack if you’re hungry. Take a B-complex vitamin if you have one.
- Keep by your bed: More water, a salty snack, and pain reliever for the morning if needed.
None of these steps require willpower you won’t have after a few drinks. The two that matter most, eating beforehand and pacing yourself, happen before the alcohol impairs your judgment. Setting yourself up early in the evening is the real secret to not paying for it the next day.