Nighttime heartburn occurs because lying flat allows stomach acid to flow back into your esophagus more easily than when you're upright during the day. Gravity normally helps keep acid in your stomach, but this natural barrier disappears when you're horizontal. Additionally, saliva production decreases by up to 90% during sleep, reducing your body's ability to neutralize acid. Late evening meals compound the problem, as your stomach produces more acid to digest food just as you're preparing to lie down. The lower esophageal sphincter, which acts as a valve between your stomach and esophagus, may also relax more during sleep, making acid reflux more likely.
What foods should I avoid before bedtime to prevent heartburn?
How long should I wait after eating before lying down?
Can sleeping position help reduce nighttime heartburn?
When should I see a doctor about frequent nighttime heartburn?
Learn how elevating your head and sleeping on your left side can significantly reduce nighttime heartburn symptoms. This guide explains the science behind positioning and provides practical tips for better sleep.
Discover which foods and drinks are most likely to cause acid reflux when consumed in the evening. This article includes a comprehensive list of triggers and healthier alternatives for late-night snacking.
Understand the difference between occasional heartburn and gastroesophageal reflux disease (GERD). This resource covers symptoms that warrant medical attention and available treatment options.
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