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How Alcohol Disrupts Your Sleep & What You Can Do About It?

July 24, 2023
6 min
Drinking alcohol before bed might seem like a quick route to sleep, but it could be undermining the quality of your rest.

Have you ever noticed that a nightcap might help you drift off to sleep, but leaves you feeling groggy the next morning?

It's a common experience for many of us.

We enjoy a glass of wine or a cold beer to unwind, but how exactly does alcohol affect our sleep? Does it help us sleep better or make it worse? Can changing our drinking habits really improve our rest?

a person sleeping after drinking alcohol

Today, we’re about to find a fascinating relationship between alcohol and sleep.

Get ready to learn how your favorite drinks might be impacting your nights and discover some practical tips for better sleep.

Let's explore together:

How Does Alcohol Affect Your Sleep?

Understanding how alcohol impacts your sleep can help you make better choices.

When you drink alcohol, it initially acts as a depressant, making you feel relaxed and drowsy, which might help you fall asleep faster. However, as your body metabolizes the alcohol, it disrupts your sleep cycle.

This is because alcohol affects the production of chemicals in your brain that regulate sleep, such as gamma-aminobutyric acid (GABA) and glutamate.

Initially, alcohol increases the production of GABA, which is an inhibitory neurotransmitter that promotes relaxation and sleepiness. But as the night progresses and the alcohol wears off, it leads to a rebound effect where your brain becomes more active. This can cause disruptions in your sleep cycle, leading to lighter, less restful sleep.

Alcohol particularly impacts the rapid eye movement (REM) stage of sleep, which is crucial for memory and learning. Disruptions in REM sleep can leave you feeling groggy and unrefreshed the next day.

Additionally, alcohol can cause sleep apnea or worsen existing sleep apnea, a condition where your breathing repeatedly stops and starts during sleep. This happens because alcohol relaxes the muscles in your throat, making it more likely for your airway to collapse, block airflow disrupting sleep.

This not only interrupts your sleep but also decreases the quality of your sleep, leaving you feeling tired and irritable.

Sleep Tips For People Who Drink

a diagram showing alcohol disrupting sleep cycles

To sleep better, especially when it comes to alcohol, consider the following detailed tips:

1. Limit Alcohol Intake

Reducing the amount of alcohol you drink, particularly in the evening, can help. Alcohol might make you feel sleepy at first, but it disrupts your sleep cycle later.

Try to enjoy alcohol in moderation and consider drinking more water-based or non-alcoholic beverages instead.

2. Time Your Drinks

If you choose to drink, have your last drink at least 3 to 4 hours before you go to bed. This allows your body enough time to process the alcohol, which helps prevent sleep disruptions.

Setting a cut off time for drinking in the evening can make a big difference in how well you sleep.

3. Stay Hydrated

Alcohol can dehydrate you, which affects your sleep quality. Drinking water alongside alcoholic drinks and having a glass of water before bed can help you stay hydrated.

This can reduce the chances of waking up in the middle of the night thirsty or feeling groggy the next morning.

4. Create A Relaxing Bedtime Routine

Establish a calming routine before bed that doesn't involve alcohol.

Activities like reading a book, taking a warm bath, or practicing deep breathing exercises can help signal to your body that it's time to wind down and prepare for sleep.

5. Avoid Caffeine & Heavy Meals

Caffeine and large meals can interfere with your sleep just like alcohol can.

Avoid consuming caffeine and eating heavy meals close to bedtime. Instead, opt for light snacks if you're hungry and caffeine-free drinks in the evening.

6. Make Your Sleep Environment Comfortable

Ensure your bedroom is quiet, dark, and cool to create the best conditions for sleep. Use blackout curtains, a fan or air conditioner, and earplugs if necessary.

A comfortable mattress, weighted blanket and pillows can also contribute to better sleep.

Why Does Drinking Make Me Sleepy?

person yawning and feeling drowsy after drinking alcohol

Drinking alcohol makes you sleepy because it acts as a depressant, slowing down your brain activity and relaxing your muscles. This effect makes it easier to fall asleep initially.

However, as your body processes the alcohol, it can disrupt your sleep later in the night.‍

When Should I Stop Drinking Before Bed?

To minimize sleep disruptions, it's best to stop drinking alcohol at least 3 to 4 hours before bedtime. This allows your body enough time to metabolize the alcohol, leading to more restful and uninterrupted sleep.

How To Stop Alcohol Insomnia?

If alcohol is causing you insomnia, there are several steps you can take to improve your sleep.

Start by reducing or eliminating alcohol consumption, especially in the hours leading up to bedtime. Alcohol can initially make you feel drowsy, but it often disrupts sleep later in the night, leading to fragmented rest.

Next, establishing a consistent sleep schedule by going to bed and waking up at the same time every day, even on weekends. This helps regulate your body's internal clock.

If reducing alcohol and following a sleep routine doesn’t resolve your sleep issues, consider consulting a healthcare professional for personalized advice and support.

Over To You

Now that we've explored how alcohol affects your sleep, it's clear that while a drink might help you relax initially, it can disrupt your sleep later.

Have you ever tried cutting back on alcohol before bed? How did it affect your sleep quality? Or maybe you've already found a bedtime routine that helps you rest better?

Please, share your experiences with us.


If you're struggling with sleep issues, the Nightly app can be a great tool to help you improve your rest. It provides personalized Layered Monaural Beats that are neuroscience-backed to help improve your sleep quality, as well as asking questions about your day and activities to tailor beats to improve your sleep quality on a daily basis. Also provides insights into addressing sleep issues, making it easier to get a good night's sleep despite any disruptions caused by alcohol.

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