Why you can’t sleep after quitting alcohol

Introduction

If you cannot sleep after quitting alcohol, you are running into one of the most common parts of withdrawal and early recovery. Alcohol changes how the brain manages sleep, and when it is taken away, sleep takes time to find its own rhythm again. For most people the worst of it eases with time, but broken nights can linger for weeks, and in some people longer. Because heavy drinking should not be stopped without medical advice, our page on alcohol withdrawal and detox is the place to start if the drinking has not stopped yet. This article explains why sleep falls apart, how long it can take to return, and when poor sleep is a sign to get help.

Why can’t you sleep after quitting alcohol?

Because the brain adapted to alcohol being there. When it is removed, the systems that calm the brain at night are off balance, and sleep becomes light, short and broken.

MedlinePlus lists insomnia and nightmares among the symptoms of alcohol withdrawal, alongside anxiety, irritability and low mood. Withdrawal usually starts 6 to 24 hours after the last drink, is often at its worst between 24 and 72 hours, and some symptoms can go on for weeks.

The research review by Koob and Colrain explains part of the reason. Alcohol boosts one of the brain’s main calming systems. When the alcohol is removed, that calming effect is lost while stress systems stay switched up, and deep, restful sleep is reduced. The body needs time to rebalance, and in the first month without alcohol that rebalancing is still only partly complete, so a sleepless week is not a sign that something has gone wrong.

That timing means the first nights without alcohol are often the hardest. Lying awake can also make anxiety worse, which is part of why the early days feel so long.

Didn’t alcohol help you sleep before?

It helped you fall asleep faster, but the sleep that followed was poorer. That is the trade many people do not notice until they stop.

A review of the research by Koob and Colrain, published in Neuropsychopharmacology, describes how alcohol use disorder and sleep problems feed each other. Drinking shortens the time it takes to fall asleep, but sleep quality is worse than on nights without alcohol. Over time, sleep disturbance and insomnia become a common part of alcohol use disorder.

How long does insomnia last after quitting alcohol?

It varies. Research finds only limited recovery of sleep in the first 30 days without alcohol, and some people still have disturbed sleep long after they stop.

The same review notes that people with alcohol use disorder who have been abstinent for a long time can still take longer to fall asleep, spend more time awake during the night, and get less deep sleep. That does not mean poor sleep is permanent. It means a few rough weeks are normal, and that sleep is worth paying attention to rather than waiting out alone.

When is sleeplessness a warning sign?

When it comes with other signs of serious withdrawal, such as shaking, sweating, confusion or seeing things that are not there. That needs medical care straight away.

Seizures are most likely in the first 12 to 48 hours after the last drink, and delirium tremens, a sudden and severe confusion, usually starts between 48 and 96 hours when it happens. Our guide to the first day of medical detox explains why those first days are watched so closely.

In an emergency, call 911. That includes a seizure, severe confusion or hallucinations. If you are thinking about suicide, call or text 988 at any hour.

Why does poor sleep matter for staying sober?

Because a drink can look like the quickest fix for a sleepless night, and reaching for one can undo the work of the first days.

The same review links sleep problems to every stage of the addiction cycle, including craving. When people have used alcohol to manage sleep or anxiety, the first weeks without it can bring those problems back at full strength, as our article on self-medicating with alcohol explains.

Telling a clinician how you are sleeping, rather than treating it on your own, is one of the most useful things you can do early on. Avoid using alcohol, or pills not prescribed to you, to get to sleep.

What should you tell a clinician about your sleep?

When you last drank, how you are sleeping night by night, and anything else that has changed, such as mood, anxiety or nightmares.

• The date and time of your last drink, and how much you were drinking before you stopped.
• Roughly how long it takes you to fall asleep, and how often you wake.
• Nightmares, night sweats, shaking or a racing heart at night.
• Changes in mood or anxiety during the day.
• Anything you have taken to help you sleep, including over-the-counter products.

A short sleep diary over a week or two makes this easier, kept by the bed or on a notepad rather than a screen late at night. It turns a vague sense of sleeping badly into something a clinician can use, and it often shows that sleep is slowly getting better even when it does not feel that way.

Where can you get support while sleep recovers?

From a team that can watch withdrawal, mood and sleep together, especially in the first weeks.

At our house in Tarzana, medical detox leads into residential care for drinking in the same house, and co-occurring conditions such as anxiety and depression are assessed and addressed alongside the drinking.

You can read more about how co-occurring conditions are handled.

Cost is often the next question. We work with many PPO plans, and our page on the phone benefits check sets out what to have ready.