Angina symptoms when lying down

Angina is more often associated with increased heart workload, yet symptoms can occur without exertion. Pressure, squeezing or heaviness that starts in bed should not be dismissed as indigestion solely because body position or a recent meal seems relevant.

Reflux can worsen after lying down and may cause burning behind the breastbone. Muscle or chest-wall discomfort can change with movement or pressure. Breathlessness when flat may accompany heart or lung conditions. These features overlap, so position cannot establish the diagnosis.

For someone with known angina, discomfort arising at rest, becoming less predictable or differing from the established pattern is clinically important. A clinician may assess the symptom history, heart rhythm, blood pressure, breathing and other possible causes.

Sit upright, stop any activity and follow your prescribed angina plan if you have one. Note when the episode began, the character and location of the discomfort, whether it spreads, associated breathlessness or sweating, and whether sitting up changes it.

Do not repeatedly change position to test severe symptoms or assume an antacid response proves a digestive cause. Arrange timely medical review for recurring episodes at night or when reclining, including episodes that resolve on their own.

Call local emergency services for new, severe or persistent chest pressure at rest, or for discomfort with shortness of breath, sweating, nausea, faintness, collapse, or pain spreading to an arm, jaw, shoulder or back. Do not drive yourself to hospital.

People with a diagnosed angina plan should seek emergency help when symptoms do not settle promptly with rest and prescribed medicine, or when the episode is clearly different from their familiar pattern. Improvement after sitting up does not override these warning signs.

Ask whether the timing suggests a heart, digestive, breathing or chest-wall cause; which changes require emergency action; whether an ECG is appropriate; and how evening meals, current medicines and your usual sleeping position might affect symptoms.