5 things that help with acid reflux at night
The five, at a glance
1Leave about 3 hours between dinner and bed2Sleep on your left side3Raise the head of the bed4Cut the evening triggers5Don't just dose antacids — see a doctor if it's frequentLeave about 3 hours between dinner and bed
Lying down with a full stomach lets acid flow back up the oesophagus. Keeping roughly a 3-hour gap means your stomach is largely empty before you go horizontal — one of the most consistent findings in the research on nighttime reflux.
Dinner-to-bed time & reflux · Am. J. Gastroenterology
Sleep on your left side
Lying on your left keeps the stomach below the oesophagus and positions the junction so acid is less likely to slip up. Sleeping on your back or right side tends to make reflux worse.
Sleep Foundation · GERD and sleep
Raise the head of the bed
Gravity keeps acid down. Tilting your whole upper body to about 30 degrees reduces night reflux — but it has to be the bed frame or a wedge, not a stack of pillows, which bends you at the neck and can raise the pressure on your stomach.
Cut the evening triggers
Alcohol, large or fatty or spicy meals, caffeine, and for some people chocolate and mint either relax the valve at the top of the stomach or boost acid — right when you are about to lie down. Fixing your caffeine timing helps here too.
Don't just dose antacids — see a doctor if it's frequent
Persistent night reflux can damage the oesophagus over time and is very treatable, so recurring symptoms deserve a proper look rather than nightly antacids. If reflux keeps waking you, the fixes for waking at 3am help with the sleep side too.
NHS · Heartburn and acid reflux
What didn't make the list
Mint relaxes the lower oesophageal sphincter and can actually make reflux worse, despite its soothing reputation. A bad fit for a reflux nightcap.
It feels soothing for a moment, but the fat can trigger more acid later in the night. Temporary relief, not a fix.
Questions people ask
Lying flat removes the gravity that normally keeps acid down, and you swallow far less in your sleep — swallowing is what usually clears acid — so it lingers in the oesophagus and burns.
If heartburn happens more than twice a week, regularly wakes you, or comes with difficulty swallowing, weight loss, or a persistent cough, get it checked. Chronic reflux is treatable and should not just be lived with.
Sources