Published on: 4/28/2025
Chest tightness upon waking can be caused by breathing conditions such as asthma or COPD, as well as acid reflux.
Chest tightness upon waking up may be caused by several factors that can affect breathing and chest comfort during sleep. Common causes include respiratory conditions like asthma and COPD, which often worsen at night, and digestive issues such as acid reflux that can cause chest discomfort. During the night, asthma symptoms often worsen as airways become more inflamed and produce extra mucus. This can cause chest tightness when you first wake up in the morning. People with COPD (chronic obstructive pulmonary disease) also commonly experience more severe breathing difficulties and chest tightness in the morning. Acid reflux may cause chest tightness in the morning given that stomach acid can flow back into the esophagus while lying flat during sleep, causing irritation and discomfort that persists into the morning. Reflux is especially common when eating late at night. Sleep position and environmental factors like allergies may also contribute to morning chest tightness. If you experience persistent chest tightness in the morning, consult your doctor to determine the underlying cause and get appropriate treatment.
(References)
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Zhang JX, Zhan XB, Bai C, Li Q. Belching, regurgitation, chest tightness and dyspnea: not gastroesophageal reflux disease but asthma. World J Gastroenterol. 2015 Feb 7;21(5):1680-3. doi: 10.3748/wjg.v21.i5.1680. PMID: 25663791; PMCID: PMC4316114.
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