Why Driving While Hungover is a Dangerous Thing to Do in Fort Worth

By Anderson, Cummings & Drawhorn, LLP on May 28, 2025

driver with a hangover

Even inexperienced drivers know that getting behind the wheel while drunk creates a serious crash risk. Yet few people may realize that driving while hungover is also a dangerous idea.

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Anderson, Cummings & Drawhorn, LLP explains more about the dangers of driving with a hangover below, including why it greatly increases the risk of a serious crash in the Fort Worth area.

Injured by a negligent driver who may have been drunk or hungover? We recommend seeking legal help from one of our knowledgeable auto accident attorneys in Fort Worth. We have a history of proven results and extensive experience with all types of car crash cases. Find out how we could benefit your claim.

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What Exactly is a Hangover?

Essentially, a hangover is your body’s reaction to drinking alcohol. For some people, these effects are the result of downing one or two drinks, for others, maybe more. The reason for this is that everyone responds differently to alcohol. There are many things that contribute to the individual symptoms you may experience, including how much alcohol you consumed, your height and body weight and the type of alcohol you drank. Mixing different types of alcohol, which is not a good idea, is also a factor.

Even those with a higher tolerance for alcohol may experience some or all of the following symptoms when they are hungover:

  • Feeling dizzy, unbalanced or even having some vertigo
  • Having a bad headache
  • Struggling with nausea or vomiting
  • Being more sensitive to any amount of light
  • Difficulties focusing or concentrating
  • Mild to severe stomach pain
  • Shakiness
  • Dehydrated or extremely thirsty
  • Irritability
  • Increased blood pressure
  • Fatigued and weak
  • Muscle and body aches

One common myth is that if your BAC returns to zero or near zero, you are good to drive. However, the National Institute on Alcohol Abuse and Alcoholism says this is when hangover symptoms are at their peak. A hangover can last for 24 hours or even longer.

How Long Does It Take for Alcohol to Leave Your System

How long does it take for alcohol to leave your system? It usually takes about one hour for the body to process a single standard drink; however, the complete elimination of alcohol varies depending on weight, metabolism, and overall health. According to Harmony Ridge Recovery Center, it can take anywhere from six to twenty-four hours for the human body to fully metabolize alcohol, depending on how much was consumed and individual physiological factors.

Several variables can influence how quickly alcohol leaves the system:

  • Body weight and composition: Individuals with higher body mass may process alcohol more slowly.
  • Gender: Biological differences can affect the speed of alcohol metabolism.
  • Food intake: Eating before drinking can slow alcohol absorption.
  • Age and health: Liver efficiency diminishes with age or liver-related illnesses, affecting processing times.

Drivers in Texas should be aware that even if alcohol is no longer detectable by specific tests, impaired judgment and delayed reaction times can persist longer than anticipated. This lingering impairment can significantly increase the risk of a car accident.

Why is it Unsafe to Drive While Hungover?

Getting behind the wheel a few hours after drinking or even the morning after a night of partying may seem okay. Most people think if they do not feel buzzed, their blood alcohol concentration (BAC) has returned to zero. Yet several studies show that even when your BAC is back to normal, you may not be. In fact, research shows that driving while hungover is very similar to driving with a BAC that is between 0.05 percent and 0.08 percent.

In short, what this means is that your ability to focus on the road and any potential hazards is similar to if you were driving drunk. Driving with a hangover makes driving dangerous and increases the risk of a crash in many ways, including making drivers more likely to:

  • Drift out of their lane of traffic – At a minimum, this could cause you to sideswipe another vehicle or drift into a lane of oncoming traffic without even realizing it.
  • React more slowly – The risk here is that you may be unable to brake in time at an intersection or in an emergency to avoid hitting another vehicle or object.
  • Exhibit impaired judgment –Your ability to avoid driving errors and judge important things, like the distance between you and another vehicle, is extremely reduced.
  • Have blurry vision – Another common hangover symptom, which can make it difficult to see other vehicles, road signs and hazards easily. You may not see fast enough, for instance, to avoid hitting a pedestrian or cyclist.
  • Struggle to maintain a safe or steady speed – Drivers who are hungover are often heavy-footed and may have a hard time staying within the posted speed limits.
  • Be on edge and irritable – Just the fact you feel ill while driving can be enough to make you more likely to drive aggressively or engage in an act of road rage. For instance, you may be more likely to brake check, follow another car too closely or speed to beat a red light.

Common Risks Associated with Hangover Driving

Driving after consuming alcohol the previous night can create serious dangers on the road, even if the individual no longer feels intoxicated. Hungover drivers are more likely to make critical mistakes, such as failing to react quickly to sudden traffic changes, misjudging distances, or engaging in reckless maneuvers.

The key risks associated with hungover driving include:

  • Delayed reaction times: Hungover drivers may struggle to respond swiftly to unexpected events, such as a pedestrian stepping into a crosswalk or a vehicle braking suddenly.
  • Poor decision-making: Impaired judgment can lead to dangerous choices, including speeding, unsafe lane changes, or ignoring traffic signals.
  • Reduced attention span: Difficulty concentrating makes it harder for drivers to remain alert to their surroundings, increasing the chance of missing critical cues on the road.
  • Decreased motor skills: Even without a measurable BAC, coordination and control over the vehicle can remain compromised, heightening the risk of collisions.

Texas Laws Regarding Alcohol and Driving

In Texas, operating a motor vehicle with a BAC of 0.08% or higher is illegal. However, even if a driver’s BAC is lower, they may still be deemed impaired under Texas Transportation Code § 49.04. The law recognizes that any detectable level of impairment can constitute driving while intoxicated (DWI). Victims injured by impaired drivers have the right to pursue compensation for their injuries, including medical expenses, lost income, and pain and suffering.

Under Texas law, car accident victims can file a personal injury claim against the responsible driver. Holding impaired drivers accountable helps promote road safety and compensates victims for the physical, emotional, and financial damages they suffer.

What Happens if a Hungover Driver Causes a Crash?

People who cause a crash because they were driving while hungover are likely to be held fully liable for the damages. That said, being drunk or hungover will not automatically make any driver liable for a collision. There will still be an investigation to determine who and what led to the crash.

Additionally, if you are injured by a driver you believe was drunk or hungover, the burden of proving that driver’s negligence is on you – or your attorney. This is why it is often a good idea to speak with a lawyer after any serious traffic incident.

How Alcohol Metabolism Affects Driving Ability

Even when breathalyzer tests no longer detect alcohol, the brain might still be recovering. Divided attention, speed regulation, and quick decision-making—all critical driving skills—may remain impaired long after the last drink.

When drivers underestimate how long it takes for alcohol to leave their system, they risk their lives and the lives of others. It’s not about feeling fine; it’s about being truly ready to drive.

Does Texas Have Penalties for Driving While Hungover?

Texas has penalties for those who drive with a blood alcohol concentration of 0.08 percent or higher. However, the law also states that if alcohol affects your ability to drive safely, you are breaking the law whether or not your BAC is at or below the legal limit.

The penalties for breaking this law are stiff, even for first-offenders. Those guilty of causing a crash while drunk or hungover as a first offender can expect to pay as much as $2,000. They will also lose their license for a year and, if convicted, spend between 3 and 180 days in jail. The penalties, fines and jail time become much greater with repeat offenses.

Injured By an Impaired Driver? Call Our Trusted Law Firm Today

At Anderson, Cummings & Drawhorn, LLP, we have recovered over $100 million in compensation for injured victims in Texas. Check out the testimonies of the clients we have helped to see what they have to say about our services.

If you choose our firm to represent you, there are no upfront costs or fees to pay. We only get paid for our services if we win your case.

We work hard to get you results. (817) 920-9000.

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This page has been written, edited, and reviewed by a team of legal writers following our comprehensive guidelines. This page was approved by attorney Seth Anderson, whose team has more than 50 years of combined legal experience in helping victims of personal injury seek justice.

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