Person trying to sleep but feeling pain in their stomach

Stomach Pain at Night: GERD, Ulcers, or Something Else?

Written by: Ved Shah

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Published on

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Time to read 3 min

If your nights are interrupted by sharp or burning pain in your stomach, it can be more than just bad dreams.


It might be your body trying to tell you something. 


Your stomach pain can point to issues like GERD, ulcers, or other digestive conditions. 


Let’s break it down so you can get some real rest.

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GERD: The Nighttime Acid Reflux Culprit

What it feels like:

  • Burning pain in your chest or upper stomach
  • Worse when lying down after eating
  • Sour taste in your mouth or regurgitation

Why it happens:

Gravity is not your friend when you lie flat. 


Acid can easily travel back up into your esophagus.


This diagram shows the difference between a healthy stomach and GERD stomach.


The GERD stomach has no "flap" to prevent the contents of your stomach from moving up into your esophagus, where you feel the pain.

Diagram of GERD versus healthy stomach

What helps:

  • Avoid eating 2-3 hours before bed
  • Raise the head of your bed by 6-8 inches
  • Skip the foods that trigger the stomach pain like coffee, citrus, and spicy meals before bedtime

Ulcers: The Empty Stomach Pain

What it feels like:

  • Dull or burning pain in your upper abdomen
  • Pain that may improve after eating but will return a few hours later
  • Night time flare-ups, especially if your stomach is really empty

Why it happens:

Without food in your stomach, acid can irritate the ulcer more easily.

What helps:

  • Eat small, balanced snacks if pain wakes you up at night.
  • See a doctor for diagnosis
  • Treatment often involves acid-reducing medications or antibiotics if H. pylori is present.

Other Possible Causes

  • Gallstones: Pain in the upper abdomen that can radiate to your back.
  • Irritable Bowl Syndrome (IBS): Cramping and bloating that may worsen with stress or your diet.
  • Gastroparesis: Delayed emptying of your stomach, which causes discomfort.
  • Pancreatitis: Severe pain in your back.

When to See a Doctor

Seek urgent care if you have any of the following:

  • Severe, sudden pain
  • Blood in your stool or vomit
  • Unexplained weight loss
  • Severe fever or jaundice
Doctor treating patient with stomach pain

Bottom Line

Stomach pain at night isn’t something to ignore.


Whether it’s GERD, ulcers, or another issue, figuring out the cause can help you sleep through the night and avoid long-term complications.


Simple lifestyle changes can help, but persistent or severe symptoms need medical attention.


With Claisen, you can skip the gambling of random medications or quick over-the-counter fixes.


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Key Takeaways

Nighttime stomach pain can be caused by GERD, ulcers, or other digestive issues like gallstones, IBS, or pancreatitis.

GERD pain often worsens when lying down and can be relieved by avoiding late meals and elevating your head while sleeping.

Ulcer pain tends to worsen on an empty stomach, sometimes improving after eating but returning a few hours later.

Other causes may involve the gallbladder, pancreas, or delayed stomach emptying.

Early diagnosis and lifestyle changes can help prevent complications and restore restful sleep.

Frequently Asked Questions

What does a GERD ulcer feel like?

A GERD-related ulcer typically causes a burning or gnawing pain in the upper abdomen or chest, sometimes radiating toward the throat. You might also notice acid reflux symptoms like heartburn, sour taste in your mouth, or regurgitation—especially after eating or lying down.

Does GERD cause stomach pain at night?

Yes. GERD pain often gets worse at night because lying flat allows stomach acid to flow back up into the esophagus more easily. This can trigger burning pain in the chest or upper abdomen, sometimes waking you from sleep.

What can be mistaken for ulcer pain?

Ulcer pain can be confused with heartburn, gallbladder attacks, pancreatitis, acid reflux from GERD, or even muscle strain in the upper abdomen. Because symptoms overlap, a medical evaluation is often needed for a clear diagnosis.

Why do stomach ulcers hurt at night?

At night, your stomach is usually empty, so acid can directly irritate the ulcer without food to buffer it. This can lead to increased pain during the early morning hours or when you wake up hungry.

What blood test shows a stomach ulcer?

There’s no blood test that directly detects an ulcer, but doctors may order tests for Helicobacter pylori (H. pylori), a bacteria linked to most ulcers. These can be done via blood, stool, or breath tests. A definitive diagnosis usually requires endoscopy or imaging.

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