How Long Does Being Drunk Last? A Vegas Survival Guide

Quick answer: For most healthy adults, being drunk lasts about 6 hours per drink above the legal limit. Your body breaks down alcohol at roughly one standard drink per hour , so 4 drinks may take 4 to 6 hours to wear off. In Las Vegas, the dry desert air, late nights, and back-to-back rounds on the Strip can make it feel longer. Hangover symptoms can stretch the recovery to 24 hours or more even after the alcohol is gone, according to the National Institute on Alcohol Abuse and Alcoholism.

What "being drunk" really means

Being drunk is not a feeling, it is a measurement. Doctors call it blood alcohol concentration , or BAC. BAC is the percent of alcohol in your blood. The higher the number, the more drunk you are.

In Nevada, you are legally drunk to drive at a BAC of 0.08% . But your brain feels alcohol long before you hit that number. Most people start to feel buzzed at a BAC of 0.02% to 0.04% , which is one to two drinks for an average adult, according to MedicalNewsToday.

Your body breaks down alcohol with the help of an enzyme in your liver called alcohol dehydrogenase . This enzyme works at a steady speed. You cannot rush it with coffee, a cold shower, or a greasy meal. Time is the only true cure.

Why Vegas hits harder

Las Vegas sits at about 2,000 feet of elevation in a desert. The air is dry. The casinos are climate-controlled but the dryness is still there. Most people forget to drink water between cocktails. That makes alcohol feel stronger and last longer. Add a long pool day, a 6-hour dayclub, and a late dinner, and your body falls behind on fluids fast.

Pure IV's mobile IV therapy in Las Vegas is built for this. A licensed nurse comes to your hotel room, suite, Airbnb, or VRBO in Summerlin, Henderson, North Las Vegas, or right on the Strip. You stay in bed and the IV does the work.

How long does being drunk last by number of drinks?

This is the question most people Google at 2 a.m. Here is the simple answer for an average healthy adult who weighs 160 to 180 pounds.

These ranges come from Healthline and the Cleveland Clinic. Your real timeline depends on weight, gender, food, sleep, medication, and how fast you drank.

What counts as one "standard drink"?

The CDC defines a standard drink as:

• 12 ounces of beer (about 5% alcohol)
• 5 ounces of wine (about 12% alcohol)
• 1.5 ounces of liquor (about 40% alcohol, like vodka, tequila, whiskey)

Vegas pours are often bigger. A poolside cocktail can be 2 to 3 standard drinks. A double well drink at a club is 3 standard drinks. A 32-ounce frozen daiquiri on Fremont Street can be 5 or 6 standard drinks. Always count by ounces of pure alcohol, not by glasses.

How long it takes to feel drunk

You start to feel alcohol about 15 to 45 minutes after your first sip. The exact time depends on what is in your stomach, what you drank, and how fast you drank it.

Empty stomach vs full stomach

On an empty stomach, alcohol hits your bloodstream in 15 to 30 minutes . With a full meal, especially one with fat and protein, the same drink can take 45 to 90 minutes to peak. Food slows the trip from your stomach to your small intestine, where most alcohol is absorbed.

This is why a steakhouse dinner before the club is a smart move. The alcohol still gets to your blood, just slower and more evenly.

Carbonation speeds it up

Bubbles open the valve at the bottom of your stomach faster. That is why champagne, mimosas, vodka sodas, and beer pong shots all feel stronger. The carbonation pushes alcohol into your small intestine quicker.

Liquor vs beer vs wine

Pure alcohol absorbs at the same speed once it is in your blood. But the alcohol by volume (ABV) matters. A 1.5-ounce shot of 40% liquor and a 12-ounce 5% beer have the same alcohol content. A shot just delivers it faster because there is less liquid to absorb.

The 6 stages of drunk (BAC chart)

Doctors group BAC into stages. Each stage has its own feeling and its own risk. Here is the full chart, based on MedicalNewsToday's clinical review.

Stage 1 — Sobriety (BAC 0.01% to 0.05%)

You may feel a little relaxed, more chatty, or a tiny bit warmer. Most people would not call this "drunk." You should still not drive after any alcohol, but your judgment is mostly intact.

Stage 2 — Euphoria (BAC 0.03% to 0.12%)

This is the buzz most people chase. You feel happy, social, confident. You may laugh more. You start to lose a bit of judgment and fine motor skill. This is also where most legal trouble starts because 0.08% is the DUI limit in Nevada .

Stage 3 — Excitement (BAC 0.09% to 0.25%)

Now you are clearly drunk. Your speech may slur. You bump into things. Your reaction time is slow. You may get emotional. This is the stage where Vegas tourists fall, get into fights, lose phones, or wake up missing money.

Stage 4 — Confusion (BAC 0.18% to 0.30%)

Your brain has trouble making sense of what is happening. You may not remember chunks of the night. You may throw up. You may pass out. This is dangerous. Black-out drinking happens here.

Stage 5 — Stupor (BAC 0.25% to 0.40%)

You may not respond when people talk to you. You may not be able to walk. You can choke on your own vomit if you fall asleep on your back. This is a medical emergency. Get help.

Stage 6 — Coma or death (BAC 0.35%+)

At this BAC, your body shuts down. Breathing slows. Heart rate drops. You can die. Call 911 right away.

What changes how long you stay drunk?

Two people can drink the exact same thing and feel very different. Here is why.

1. Body weight and body fat

A bigger body has more blood. The same drink mixes into more fluid, so the BAC is lower. People with more lean muscle break down alcohol a bit faster than people with more body fat, because muscle holds more water.

2. Biological sex

Women on average reach a higher BAC than men from the same drink. There are two reasons. First, women have less alcohol dehydrogenase in their stomach. Second, women have a higher body fat to water ratio. This is not about willpower or tolerance, it is biology.

3. Age

After about age 40, the liver works a little slower. Older adults often feel alcohol stronger and longer.

4. Food in your stomach

A real meal can lower your peak BAC by 20% to 30% , according to the Cleveland Clinic. Protein and fat are best. Carbs help too. An empty stomach is the worst.

5. Hydration

If you are already dehydrated from a long flight, the desert heat, or a tough workout, alcohol hits faster and lasts longer. Water does not lower BAC, but it can lower how bad you feel. This is the core reason IV hydration helps so much in Vegas.

6. Sleep

Less sleep means a slower liver, a slower brain, and a worse hangover. A bachelorette party that flies in at midnight, drinks until 4 a.m., and hits the pool at 10 a.m. is in trouble before they order the first round.

7. Medications

Many medicines change how alcohol feels and how long it lasts. Common ones include:

• Pain pills
• Antidepressants
• Anti-anxiety meds (benzodiazepines)
• Sleep aids
• Allergy meds
• Antibiotics like metronidazole

Always read the label. Talk to your doctor or pharmacist before mixing alcohol with any prescription.

8. Drink strength and speed

Shots and strong cocktails raise BAC fast. Sipping the same volume over a longer time keeps BAC lower. The "one drink per hour" rule is about how fast your liver can keep up.

9. Carbonation and sugar

Champagne, mimosas, vodka sodas, and seltzers all hit faster. Sugary drinks like frozen daiquiris and piña coladas hide the alcohol taste, so people drink more without realizing.

10. Genetics

Some people have a genetic variant of alcohol dehydrogenase that makes alcohol break down slower or faster. This is more common in people of East Asian, Native American, and Jewish background. If alcohol makes you flush red, you may have this variant.

How long does it take to sober up?

Sobering up is just your liver doing math. Your liver breaks down about 0.015 BAC points per hour . That is roughly one standard drink per hour.

A real example

Say you are a 170-pound man and you had 6 standard drinks over 3 hours at a Strip restaurant. Your peak BAC is around 0.13% . To get back to 0.00% , your liver needs about 8 to 9 hours . To get back under the 0.08% legal limit , it needs about 3 to 4 hours .

A second example

Say you are a 130-pound woman and you had 4 standard drinks over 2 hours at a pool club. Your peak BAC is around 0.12% . To get back to 0.00% , your liver needs about 8 hours . To get back under 0.08% , it needs about 2 to 3 hours .

What does NOT speed it up

The internet is full of myths. None of these work:

• Coffee. Caffeine wakes your brain but does not lower BAC. You become a wide-awake drunk, which is more dangerous.
• Cold shower. Shocks your skin. Does nothing to your liver.
• Greasy food. Helps before drinking, not after. Once alcohol is in your blood, food has no effect.
• Throwing up. Only helps if you do it within 30 minutes of your last drink, before alcohol is absorbed. After that, the alcohol is already in your blood.
• Sweating it out. A sauna or workout can be dangerous when drunk. You sweat out water, not alcohol.
• B-vitamin pills. May help with hangover symptoms the next day, but do not lower your current BAC.

What might help you feel better

These will not lower BAC, but they will help you feel less awful:

• Water. A lot of it. Sip, do not chug.
• Electrolytes. Sodium, potassium, magnesium.
• A small carb-and-protein snack. Toast with peanut butter, eggs, oatmeal.
• Sleep. Lying down in a cool dark room is the best thing you can do.
• IV hydration. A nurse-administered IV pushes fluid and electrolytes straight into your bloodstream so they work in 30 to 60 minutes instead of hours.

How long does the hangover last after the alcohol is gone?

Even after your BAC hits 0.00%, you can feel terrible. This is the hangover phase .

According to the NIAAA , hangover symptoms peak when your BAC reaches zero and can last up to 24 hours . Heavy drinkers and older adults can feel symptoms for 48 hours or more .

Hangover is caused by:

• Dehydration. Alcohol blocks a hormone called vasopressin, so you pee more.
• Electrolyte loss. Sodium, potassium, and magnesium drop.
• Inflammation. Alcohol causes a low-grade body-wide inflammatory response.
• Acetaldehyde. A toxic byproduct your liver makes while breaking down alcohol.
• Congeners. Dark drinks (whiskey, red wine, brandy, tequila) have more of these chemicals, which make hangovers worse than clear drinks like vodka and gin.
• Bad sleep. Alcohol breaks REM sleep.
• Low blood sugar. Drinking late and skipping breakfast can drop blood sugar.

For a deeper dive on hangover length, read our companion guide on how long hangovers last and on stopping hangover nausea fast.

How to feel sober faster (the truth)

You cannot speed up your liver. But you can shorten the bad part of being drunk and the hangover that follows.

Step 1 — Stop drinking

The clock only starts when you stop. Switch to water, coconut water, or an electrolyte drink.

Step 2 — Drink water with electrolytes

Plain water is okay, but water with sodium and potassium is better. Try a low-sugar electrolyte drink, broth, or coconut water. Aim for 16 to 24 ounces in the first hour.

Step 3 — Eat something light

Toast, banana, eggs, plain rice, or oatmeal. Fat is fine if you can keep it down. Skip the late-night Strip pizza if you feel queasy.

Step 4 — Lay down in a cool, dark room

Vegas hotel rooms are great for this. Close the blackout curtains. Put the AC at 68. Lie on your side, not your back.

Step 5 — Do not drive

Even after you feel "fine," your BAC may still be over 0.05%. That is enough to lose your license in Nevada under impaired driving laws. Use a rideshare or sleep it off.

Step 6 — Consider a mobile IV

If you have a flight to catch, a wedding to attend, or a meeting in the morning, an IV is the fastest way to feel human again. A registered nurse from Pure IV Las Vegas can come to your room in 30 to 60 minutes, push 1,000 mL of saline plus electrolytes and B vitamins, and have you back on your feet in under an hour.

Vegas-specific scenarios

Different Vegas trips create different drunk timelines. Here is what to expect.

The bachelor party

You land Friday afternoon and dinner is at 8. Drinks at the steakhouse, more drinks at the lounge, the club until 3 a.m. You finish around 8 to 10 standard drinks over 7 hours. Your peak BAC is 0.18% to 0.22% . You will feel drunk until about 6 a.m. and the hangover will run hard until noon Saturday .

The bachelorette weekend

A 130-pound woman who had 5 cocktails at a pool club from 1 p.m. to 5 p.m., then 3 more at dinner, will hit a peak BAC near 0.15% . She will feel drunk until about midnight and feel rough until mid-morning Saturday .

The convention dinner

Two glasses of wine at a sponsored dinner from 7 to 9 p.m. Peak BAC about 0.04% to 0.05% . You feel relaxed but not impaired. You should be at 0.00% by midnight. No real hangover.

The wedding weekend

Champagne toast, signature cocktails, more wine at dinner, then late-night beers in a suite. Easy to hit 8 to 10 drinks. Plan for a hard morning. Many wedding parties book IV hydration for the day after as standard.

The dayclub all-day

Pool, sun, dehydration, and 6 hours of drinking is the worst combo in Las Vegas. The dry desert air and direct sun multiply dehydration. Drink a full bottle of water for every 2 cocktails. Stop and rest in shade. Eat a real meal at 4 p.m.

The 21st birthday

If you have never drunk before, your tolerance is zero. Two drinks can put you at a 0.06% BAC. Eight drinks can be life-threatening. Please pace and have a sober friend. Vegas medical calls peak around 21st birthday weekends.

When to call a doctor or 911

Most drunk nights are not medical emergencies. But these are.

Call 911 if someone:

• Is unconscious and you cannot wake them
• Is breathing slowly (less than 8 breaths per minute) or has long pauses
• Has cold, clammy, pale, or blue-tinted skin
• Has thrown up while not fully awake
• Has had a seizure
• Has hit their head and is confused
• Has been drinking and has chest pain or trouble breathing

Call your doctor or visit urgent care if:

• You cannot keep any fluid down for 12 hours
• You see blood in your vomit
• You have severe stomach pain
• You feel dizzy and confused 24 hours after your last drink
• You have a fever above 101°F

Pure IV's nurses are not a replacement for an ER. We treat mild to moderate dehydration and hangover symptoms in healthy adults. If we arrive and you need higher care, we will tell you and help you get there.

Why Las Vegas IV therapy works (and how fast)

Drinking water by mouth helps, but it is slow. Your stomach has to absorb the water through the gut wall. If you are nauseous, that absorption slows even more.

An IV bypasses the stomach. Saline drips straight into your vein and is 100% absorbed in minutes . Electrolytes go where they are needed right away. Anti-nausea and pain medicine, when ordered by a physician, work within 5 to 10 minutes.

A typical Pure IV hangover bag in Vegas includes:

• 1,000 mL of normal saline (the same fluid hospitals use)
• B-complex vitamins (energy, nerve repair)
• Vitamin B12 (energy, mood)
• Magnesium (muscle, nerve, headache)
• Optional: Zofran for nausea, Toradol for headache, Pepcid for stomach burn

Treatment time is 30 to 60 minutes . You sit on the couch or stay in bed. The nurse handles everything. Most clients say they feel "80% better" before the bag is empty.

How to drink smarter on the next Vegas trip

You came here to have fun, not to be sick. Here is how to enjoy the night and lose less of the next day.

Before you drink

• Hydrate. Drink 24 ounces of water in the hour before your first cocktail.
• Eat real food. Protein and fat slow absorption.
• Sleep. Tired body equals worse hangover.
• Skip the energy drink mixers. Caffeine masks how drunk you are.
• Take electrolytes. A pinch of salt and a banana or an electrolyte tablet help.

While you drink

• One drink per hour. Match this pace to give your liver a chance.
• Water between drinks. Aim for 8 ounces between every cocktail.
• Pick clear over dark. Vodka and gin have fewer congeners than whiskey or red wine.
• Watch the pour. Pool cocktails and frozen drinks are often double-strength.
• Skip the shots. Or limit to one or two early in the night.

Before bed

• Drink 16 to 24 ounces of water. Add a pinch of salt and a banana, or a sports drink.
• Take a full plain Pedialyte or coconut water.
• Eat a small carb-and-protein snack.
• Skip Tylenol. Acetaminophen plus alcohol is hard on the liver. Ibuprofen is safer for most healthy adults, but ask your doctor first.
• Sleep on your side , not your back.

The next morning

• More water and electrolytes. Slow sips.
• Eat something light. Eggs, toast, oatmeal.
• Coffee is okay if you are not nauseous.
• Move a little. A walk on the Strip helps blood flow.
• Book an IV if you have a wedding, flight, or meeting and feel rough.

Frequently asked questions

How long does it take to sober up after 4 drinks?

For an average adult, 4 standard drinks raise BAC to about 0.08% to 0.10%. Your liver takes about 4 to 6 hours to get back to 0.00%. To drop below the 0.08% legal limit, plan 2 to 3 hours .

Can you sober up in 1 hour?

Only if you had one drink. Your liver breaks down about one drink per hour. If you had 4 drinks, you cannot be fully sober in 1 hour, no matter what tricks you try.

Does food make you less drunk?

Food does not lower the alcohol you have already absorbed. But food eaten before or during drinking can lower your peak BAC by 20% to 30%. Once alcohol is in your blood, food does not help.

Why do I feel drunk the next day?

You may still have a small amount of alcohol in your system the next morning, especially if you drank past 2 a.m. You may also feel "hangxiety," a mix of dehydration, low blood sugar, poor sleep, and low GABA neurotransmitter activity. It usually clears by mid-afternoon.

Does the dry Vegas air really make alcohol stronger?

It does not change the alcohol. But desert dehydration plus alcohol's diuretic effect (it makes you pee more) means you start each round more dehydrated. The result feels stronger and the hangover is worse. This is why locals and frequent visitors swear by IV hydration.

How long does being drunk last with weed (a "crossfade")?

Mixing alcohol and cannabis can multiply the effects of both. The "drunk" feeling can last longer and feel more confusing, with stronger nausea. THC can also slow the recognition of how drunk you are, raising blackout risk. Be careful in legal states like Nevada.

Can I drive 6 hours after drinking?

Maybe. It depends on how many drinks, how fast, your body, and your last drink time. As a rough rule, count one hour per standard drink. If you had 6 drinks, wait 6 hours. If you are not sure, do not drive. A rideshare is cheaper than a DUI.

How long does being drunk last for a 200 lb man vs a 130 lb woman?

A 200-pound man has more blood volume than a 130-pound woman. The same 4 drinks may give him a peak BAC of 0.07%, while she may hit 0.12%. He may be sober in 4 hours, she may need 7 to 8 hours.

Why do I get drunk faster on a plane to Vegas?

Cabin air is dry, you are usually a bit dehydrated, and you may have skipped a meal. Your body absorbs alcohol the same way, but the dehydration makes the effect feel stronger. Drink 8 ounces of water for every drink on the plane.

Can a mobile IV in Las Vegas really make me sober?

No. An IV will not lower your BAC. Your liver still has to do that work. But an IV can rehydrate you, replace electrolytes, ease nausea and headache, and help you feel much better while your liver finishes the job. Most clients are functional in 45 to 60 minutes.

The bottom line

Being drunk lasts about one hour per standard drink , plus a hangover that can last up to 24 hours after your BAC hits zero. Las Vegas makes it tougher because of dry air, late nights, and big pours. There is no shortcut for the liver, but smart hydration, food, sleep, and an IV from Pure IV Las Vegas can take the worst part out of the day after.

Pure IV is available to your hotel, suite, Airbnb, or VRBO 24 hours a day, 7 days a week, across the Strip, Henderson, North Las Vegas, Summerlin, and the rest of the valley. Call us when you need to feel human again.