GERD Symptoms at Night: Why Acid Reflux Gets Worse When You Sleep

Written by: Jennifer House, MSc, RD

Updated: November 13th, 2025

Have you ever been jolted awake by a burning sensation in your chest? Or found yourself coughing or clearing your throat in the middle of the night? If so, you’re not alone – and nighttime reflux might be the culprit.

Gastroesophageal reflux disease (GERD) doesn’t just affect you during the day. For many people, GERD symptoms at night can seriously interfere with sleep, leaving them tired, uncomfortable, and frustrated the next day.

In this post, you’ll learn what GERD is, why symptoms may get worse at night, and how to find relief so you can get some sleep. Let’s explore why your digestive system may be keeping you up at night.

What Is GERD and How Is It Different from Acid Reflux?

GERD stands for gastroesophageal reflux disease. It’s a chronic condition where acid from the stomach frequently flows back into the esophagus.

While occasional acid reflux, or gastroesophageal reflux (GER), is common, GERD happens more often and causes troublesome symptoms and can lead to complications.

While Reflux or GERD may be confused with heartburn, heartburn is just one of the common symptoms of GERD. Heartburn is a burning sensation from above the stomach to the esophagus.

Key differences between acid reflux and GERD:

Acid Reflux is occasional and often triggered by specific foods or large meals
GERD is more frequent (two or more times per week) and may require medical treatment.
GERD discomfort interferes with daily life and/or sleep
If over-the-counter medications for reflux are no longer working, you might have GERD
Unlike reflux, GERD can lead to complications like esophagitis, tooth enamel erosion, or sleep disorders.

What Are GERD Symptoms at Night?

Up to 25% of GERD patients frequently experience sleep disturbances, likely due to nocturnal reflux. GERD symptoms at night are often more intense and harder to ignore than during the day.

Common nighttime symptoms which can prevent you from falling asleep or awaken you, include:

Heartburn (burning in the chest or throat)
Regurgitation of food or sour liquid
Chronic cough
A sore throat
The feeling of a lump in your throat
Difficulty swallowing
Worsening asthma

These symptoms can disrupt your sleep, leaving you tired during the day. And beyond that, nocturnal GER is also associated with more severe GERD symptoms. For example, obstructive sleep apnea has been linked to GERD.

Why GERD Symptoms Get Worse at Night

When you lie down, gravity no longer helps keep stomach acid where it belongs.

Several reasons GERD worsens at night include:

The esophagus is less able to clear acid without the help of gravity. And the upper esophageal sphincter pressure decreases, making it easier for acid to flow back upwards.
Saliva production decreases while you sleep, leading to reduced acid neutralization.
Swallowing decreases, slowing the removal of acid from the esophagus.
Stomach acidity levels increase, while the rate of emptying of food and fluid from the stomach decreases.
The lower esophageal sphincter may relax more, allowing acid to escape.

As a result, nighttime is prime time for reflux flare-ups. And unfortunately, lack of sleep can actually lead to even worse nocturnal GERD. So it can be a negative cycle.

How Nighttime GERD Affects Sleep and Health

Nighttime GERD doesn’t just disturb your sleep – it can also impact your overall health. It may lead to:

Chronic sleep deprivation. You may wake up choking, coughing or with a sour taste in your mouth, or have a hard time falling asleep due to heartburn.
Increased stress, poor concentration and memory due to worry about symptoms and a lack of sleep. This can all lead to decreased work productivity.
There is a higher risk of esophageal damage due to increased contact with stomach acid and a lack of swallowing while sleeping. This can lead to the development of Barrett’s Esophagus – inflammation that may progress to esophageal cancer.

That’s why it’s essential to manage nocturnal GERD symptoms.

Who’s Most at Risk for Nighttime GERD?

Anyone can experience GERD symptoms at night, but certain factors increase your risk:

Being overweight or obese
Eating large meals, especially too close to bedtime
Smoking
Drinking alcohol or caffeine
Being Pregnant
Having a hiatal hernia
Eating a low fibre, high sugar diet
Being physically inactive

If one or more of these apply to you, take extra care to manage your symptoms before bed.

How to Manage GERD Symptoms at Night

You can take several steps to ease nighttime reflux and improve your sleep.

Try these strategies:

Avoid eating 2–3 hours before bedtime
Eat slowly
Raise the head of your bed by 6–8 inches
Sleep on your left side to reduce acid flow
Limit trigger foods, such as spicy dishes, chocolate, mint, citrus fruits, soda, alcohol, and caffeine. Keep a food diary to identify your own personal food and fluid triggers
Maintain a healthy weight
Wear loose-fitting clothing to avoid abdominal pressure

You may also want to try some alternative solutions, which have some evidence that they can be helpful for some people with GERD:

Diaphragmatic deep breathing
Acupuncture
Supplements such as probiotics, psyllium husk (fibre) or ginger.
Melatonin

If these lifestyle changes don’t help, most people who suffer from nocturnal GERD can get relief from medications that decrease acid production. And surgery may also be an option in more severe cases.

When to Seek Medical Advice

Although occasional reflux is common, you should not ignore symptoms that affect your day-to-day life and are persistent or worsening.

Talk to a healthcare provider if you:

Reflux symptoms occur multiple times a week
Symptoms are affecting how you sleep
Over-the-counter heartburn treatments stop working
You have trouble swallowing or have a persistent coughing
You experience unexplained weight loss or chest pain
Symptoms are leading to interrupted sleep

You may need prescription medication or further testing to rule out complications.

Conclusion

GERD symptoms at night can seriously affect your sleep, mood, and overall quality of life. By understanding what triggers these symptoms and how to manage them, you can take control and start sleeping better.

If you’re struggling with nighttime reflux, don’t suffer in silence – talk to your healthcare provider and make simple changes that can help.