Why do I get chest tightness at night?

Chest tightness that arrives at night has three everyday causes and one you cannot miss. Asthma: airways narrow overnight - the classic pattern is tightness with wheeze or cough, worst in the small hours, easing with an inhaler. Reflux: acid creeping up when you lie flat causes burning chest tightness, worst after late or heavy meals, easing with antacids and sitting up. Anxiety: racing thoughts plus a tight chest plus a fast heartbeat, often arriving exactly when the day finally goes quiet. NHLBI notes nighttime symptoms signal undertreated asthma, and the NHS names lying down as a reflux trigger. The one you cannot miss: cardiac chest pain, including angina that strikes at night. The pattern questions: does the tightness spread to your arm, jaw, or back - does it come with sweating, nausea, breathlessness, or a sense of dread - is it pressure-like rather than burning or twitchy - and does it persist past ten to fifteen minutes or come in waves. Pressure-type tightness with those features, especially with cardiac risk factors - smoking, diabetes, high blood pressure, family history - is an emergency call, night or not. Aspirin while waiting is standard advice when the provider or dispatcher says so. For the everyday three: the asthma pattern earns an inhaler conversation, the reflux pattern earns earlier dinners and a raised bed head, the anxiety pattern earns a wind-down routine and often therapy - and a first episode of unexplained night chest tightness still deserves mentioning to a provider, since sorting it is their daily work. Pymander is a free AI doctor, 24/7 by text. Describe the tightness and what comes with it, and it can help you judge urgency.