Insomnia from Alcohol: Why You Can’t Sleep and How to Fix It

   Jul. 17, 2025
   6 minute read
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Last Edited: July 18, 2025
Author
Mark Frey, LPCC, LICDC, NCC
Clinically Reviewed
Edward Jamison, MS, CAP, ICADC, LADC
All of the information on this page has been reviewed and certified by an addiction professional.

“Sleep is that golden chain that ties health and our bodies together.” – Thomas Dekker

But what happens when alcohol breaks that chain?

If you’ve ever struggled to sleep after a night of drinking—even though you felt tired—you’re not alone. Insomnia from alcohol is a real and serious issue. It’s more than just tossing and turning. It’s your body reacting to a chemical that messes with your brain, your liver, and your natural sleep cycle.

Many people think a glass of wine or a nightcap helps them relax. But in truth, alcohol is one of the worst things for your sleep. It may knock you out quickly, but it stops your body from getting the deep rest it needs. And over time, these alcohol and sleep problems can lead to anxiety, depression, poor focus, and even addiction.

The CDC reports that over 35% of adults don’t get enough sleep, and many of them drink regularly. If you’re drinking to unwind but waking up at 3 a.m. every night, that’s not just a coincidence—it’s a warning sign.

In this article, we’ll explore how alcohol messes with your sleep, why it leads to insomnia, and what you can do to fix it—starting tonight.

How Alcohol Affects Your Sleep

It’s a common myth that alcohol helps you sleep better. Yes, it may make you feel sleepy at first. But once you’re out, alcohol begins to interfere with your brain’s normal sleep patterns.

Here’s how:

1. It Blocks REM Sleep

REM sleep is when your brain restores itself. It’s important for memory, mood, and overall health. Alcohol blocks this phase, leaving you feeling groggy—even after a full night in bed.

2. It Causes Wake-Ups

After your body processes the alcohol, your nervous system “rebounds” and becomes more active. This is why people often wake up in the middle of the night after drinking.

3. It Increases Bathroom Trips

Alcohol is a diuretic—it makes you pee more. So even if you fall asleep fast, your bladder might wake you up hours later.

4. It Aggravates Breathing Issues

Alcohol relaxes muscles in your throat, making sleep apnea and snoring worse. Less oxygen = worse sleep.

⚠️ If you wake up feeling anxious, sweaty, or with a racing heart after drinking, that may be a sign of mild alcohol withdrawal, not just a hangover.

Insomnia from Alcohol: When It Becomes a Pattern

If you drink a few nights a week and constantly struggle to sleep, you may be caught in a dangerous cycle:

  1. You drink to relax.
  2. You fall asleep fast—but wake up at 3 a.m.
  3. You feel exhausted the next day.
  4. You drink again to “help” you sleep.

Over time, your body builds a tolerance. You need more alcohol to get the same effect, leading to binge drinking, poor sleep, and eventually, alcohol use disorder.

In fact, studies show that people who drink heavily are 35% more likely to suffer from chronic insomnia. And that risk goes up with age and frequency of drinking.

Alcohol and Sleep Problems: The Hidden Health Dangers

Long-term alcohol and sleep problems don’t just make you tired—they can make you sick.

Here are some real dangers:

  • Mental health decline: Lack of sleep increases your risk for depression, anxiety, and mood swings.
  • Memory issues: Poor sleep weakens brain function and concentration.
  • Heart problems: Alcohol-related sleep disruption can raise blood pressure and stress levels.
  • Alcoholic liver disease: Chronic drinking damages the liver, which in turn affects hormones that control sleep.
  • Alcohol poisoning: Drinking too much in one night can slow breathing and even lead to death.

🧠 Repeated sleep loss also weakens the immune system, making it harder to fight off illness and stress.

When to Be Concerned

You should take action if:

  • You drink alcohol more than 3 times per week to fall asleep.
  • You wake up frequently in the middle of the night after drinking.
  • You feel exhausted even after 7–8 hours of sleep.
  • You’ve noticed changes in your mood, memory, or focus.
  • Your sleep problems continue even when you cut back on drinking.

These could be signs of insomnia from alcohol or even early alcohol dependence.

How to Fix Insomnia from Alcohol

The good news? Sleep can heal—if you give it the chance. Here are some ways to get better rest and reclaim your nights.

1. Stop Drinking Before Bed

If you drink, stop at least 3–4 hours before bedtime. This gives your body time to process the alcohol before sleep.

2. Try Alcohol-Free Nights

Even one week without alcohol can improve sleep quality. Try tracking how you feel after 3–5 alcohol-free days.

3. Create a Wind-Down Routine

Replace the drink with something calming like herbal tea, a warm shower, or quiet reading.

4. Seek Medical Help

If quitting alcohol causes anxiety, tremors, or night sweats, you may need medical detox to safely withdraw.

What If You Need More Help?

If you’ve tried quitting alcohol but keep going back—especially to sleep—it may be time to consider inpatient rehab. This kind of treatment can help you:

  • Break the cycle of binge drinking
  • Heal from underlying stress or trauma
  • Learn new sleep habits
  • Repair your brain and body
  • Avoid long-term damage like alcoholic liver disease

Recovery isn’t just about quitting alcohol. It’s about getting your life—and your sleep—back.

Real Hope for Real Sleep

You deserve to sleep deeply. You deserve to wake up feeling rested, clear, and in control. If alcohol is stealing that from you, don’t let it win.

Thousands of people have overcome alcohol and sleep problems and found better rest on the other side. With the right support, you can too.

Sleep Is a Gift—Don’t Let Alcohol Steal It

Insomnia from alcohol doesn’t just hurt your nights. It hurts your days. It clouds your brain, drains your energy, and makes you feel stuck.

But there is hope. Whether you start with cutting back, getting support, or going to detox or rehab, you can reclaim your sleep—and your health.

Frequently Asked Questions
Why does alcohol cause insomnia or make it harder to sleep?
Alcohol disrupts your natural sleep cycle by reducing REM sleep and causing you to wake up more often during the night. While it may help you fall asleep faster, alcohol interferes with deep, restorative rest—leading to insomnia from alcohol and next-day fatigue.
How long does alcohol affect your sleep after drinking?
Alcohol can affect your sleep for several hours, often disrupting your rest 4–6 hours after your last drink. For regular drinkers or those who binge drink, sleep quality may be impacted for days, especially if alcohol withdrawal symptoms occur during the night.
Can quitting alcohol help with chronic insomnia?
Yes, many people find that their sleep improves significantly after quitting alcohol. Although sleep may get worse temporarily during detox, consistent alcohol-free nights often restore the body’s natural sleep rhythm over time. Professional treatment like inpatient rehab can support this process.
Is waking up at 3 a.m. after drinking a sign of a problem?
Waking up in the middle of the night—especially around 3 a.m.—is a common symptom of alcohol and sleep problems. It can be an early warning sign of alcohol dependence or withdrawal and should not be ignored, especially if it happens often.
What are the best ways to fix insomnia from alcohol?
The best ways to fix insomnia from alcohol include stopping drinking several hours before bedtime, avoiding binge drinking, practicing good sleep hygiene, and seeking medical help if symptoms persist. In some cases, medical detox or rehab may be needed to break the cycle and restore sleep.
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