Plain water, caffeine-free herbal teas, and nonfat milk are the best options for managing acid reflux at night. What you drink matters, but when you drink it matters just as much. Finishing your last significant liquid intake at least three hours before lying down gives your stomach time to empty and reduces the chance of reflux while you sleep.
Why Reflux Gets Worse at Night
During the day, gravity helps keep stomach contents where they belong. When you lie down, that advantage disappears. Your esophagus relies on wave-like muscle contractions called peristalsis to push refluxed acid back down, and the primary trigger for those contractions is swallowing. Since swallowing essentially stops during sleep, your esophagus loses its main clearing mechanism. The result is acid sitting in contact with the esophageal lining for much longer stretches, which is why nighttime reflux tends to cause more irritation and damage than daytime episodes.
Saliva also plays a surprisingly important role. It contains bicarbonate, a natural acid neutralizer that accounts for roughly 80% of saliva’s acid-buffering power when production is stimulated. During sleep, saliva production drops dramatically, removing another layer of protection. This is why choosing the right drinks earlier in the evening can set you up for a better night.
Water: Simple but Strategic
Plain water is the safest and most straightforward choice. Small sips of water help dilute stomach acid and stimulate swallowing, which triggers the esophageal contractions that clear acid. Each swallow also carries a small amount of bicarbonate-rich saliva into the esophagus, providing a brief neutralizing effect.
The key is volume and timing. Drinking a large glass of water right before bed can fill your stomach and actually increase reflux pressure. Instead, sip water throughout the evening and taper off as bedtime approaches. If you wake up with reflux symptoms, a few small sips while sitting upright can help clear acid from the esophagus.
Alkaline Water May Offer Extra Protection
Water with a pH of 8.8 has shown a specific benefit that regular water cannot match. In laboratory studies, alkaline water at this pH permanently inactivated pepsin, a digestive enzyme that damages the esophagus and throat when it travels upward with refluxed stomach contents. Most tap and bottled waters fall between pH 6.7 and 7.4, which isn’t high enough to affect pepsin at all. Alkaline water also demonstrated a stronger capacity to buffer hydrochloric acid compared to conventional water.
This makes alkaline water particularly interesting for people who experience throat-related reflux symptoms like hoarseness, chronic cough, or a lump-in-the-throat sensation. It’s not a replacement for treatment, but as an evening beverage it offers a measurable advantage over regular water.
Chamomile Tea Before Bed
Chamomile is one of the most studied herbal options for digestive discomfort, and its properties align well with nighttime reflux relief. The plant contains compounds that reduce inflammation, soothe irritated tissue, and promote a protective coating on the gastrointestinal lining through natural mucilage. It also has a mild relaxant effect on smooth muscle that may reduce esophageal spasms and support faster stomach emptying, both of which lower reflux risk.
Chamomile can also reduce nervous excitability, which is relevant because stress and anxiety are known triggers for increased acid production. A warm cup about an hour before bed gives you digestion support and a calming effect in one. One caution: if you’re allergic to plants in the daisy family (ragweed, marigolds, chrysanthemums), chamomile may trigger a reaction.
It’s worth noting that while chamomile’s individual properties are well-documented, no large clinical trials have tested it specifically as a GERD treatment. The evidence is promising but preliminary.
Nonfat Milk as a Quick Buffer
Milk creates a temporary physical buffer between stomach acid and the stomach lining, which can provide quick relief from heartburn symptoms. The important distinction is fat content. The fat in whole milk stimulates additional acid production and slows stomach emptying, which can make reflux worse. Nonfat or skim milk avoids this problem while still delivering the coating and buffering effect.
Plant-based milks like almond milk or oat milk can serve a similar role, especially if they’re unsweetened and low in fat. These tend to be mildly alkaline, which gives them a slight edge. Avoid flavored or sweetened versions, as added sugars can trigger more acid production.
Coconut Water
Coconut water is naturally alkaline and contains potassium and other electrolytes that support healthy digestion and help maintain pH balance. It can help neutralize acidity without the heaviness of milk or the caffeine found in many teas. Choose plain, unsweetened coconut water, as sweetened versions add unnecessary sugar that can aggravate symptoms.
Licorice Root (DGL) Tea
Deglycyrrhizinated licorice, commonly called DGL, works differently from other options on this list. Rather than neutralizing acid directly, it stimulates the body to produce more protective mucus in the stomach and esophagus. This extra mucus acts as a physical barrier against acid, allowing damaged tissue to heal and reducing the chance of further irritation. DGL is the processed form of licorice with the compound that raises blood pressure removed, making it safer for regular use than standard licorice root.
You can find DGL as chewable tablets or in tea form. Drinking it after dinner gives it time to promote that protective mucus layer before you lie down.
Ginger Tea: Helpful but With Limits
Ginger has a long reputation as a digestive aid, and it does help reduce gas and bloating. However, the research on ginger and reflux specifically is more nuanced. A study examining ginger’s effect on the lower esophageal sphincter (the muscle valve between your esophagus and stomach) found that one gram of ginger did not change the resting pressure of this valve. It did, however, increase relaxation of the sphincter during swallowing, which helps with expelling gas but could theoretically allow more acid to escape upward.
If gas and bloating contribute to your nighttime reflux, a mild ginger tea earlier in the evening may help. But if your primary issue is acid washing up into your esophagus, ginger may not be your best choice. Keep the concentration low and avoid it close to bedtime.
What to Avoid in the Evening
Several popular beverages reliably make nighttime reflux worse:
- Coffee and caffeinated tea stimulate acid production and can relax the lower esophageal sphincter.
- Alcohol relaxes the sphincter, increases acid secretion, and disrupts sleep quality on its own.
- Carbonated drinks introduce gas into the stomach, increasing pressure that pushes acid upward.
- Citrus juices are highly acidic and directly irritate an already inflamed esophagus.
- Peppermint tea is often recommended for digestion, but it can relax the esophageal sphincter. If you find it worsens your symptoms, switch to chamomile.
Timing and Portion Size
Even the best beverage choice can backfire if you drink too much too late. Aim to finish larger drinks at least three hours before bed. In that final hour or two, limit yourself to small sips if needed. A stomach that’s still processing a large volume of liquid when you lie down will generate more reflux regardless of what that liquid is.
If you need something right before bed, four to six ounces of chamomile tea or nonfat milk is a reasonable amount. Propping yourself up at a slight incline with a wedge pillow can also help gravity do some of the work your sleeping esophagus won’t be doing on its own.