Heart palpitations in the evening

In the evening, a quiet room can make normal heartbeat sensations seem prominent. Palpitations may also follow caffeine, nicotine, alcohol, a large meal, poor sleep, emotional strain, or dehydration. Anaemia and iron deficiency anaemia can make the heart work harder, while hyperthyroidism may cause a fast or irregular pulse with sweating, tremor, or trouble sleeping. Generalised Anxiety Disorder can amplify awareness of bodily sensations. Atrial fibrillation may feel irregular rather than simply fast. The time of day alone does not establish the cause. Heart failure is more concerning if evening symptoms come with breathlessness when lying down, waking short of breath, or ankle swelling.

Move to a comfortable sitting position and breathe slowly without forcing deep breaths. Note what you ate and drank, caffeine or nicotine use, stress, medicines, and the pulse pattern. Reduce evening stimulants and avoid vigorous exercise while symptoms are active. Arrange a review if episodes recur, disturb sleep, or last longer than usual. A clinician may consider an ECG or blood tests based on your history.

Call emergency services for palpitations with chest pain, fainting, severe breathlessness, new confusion, or a severe irregular episode that does not settle. Get urgent help for sudden weakness, facial drooping, trouble speaking, or a sudden severe headache. Do not drive if you feel faint.

Ask whether your pulse, blood pressure, medicines, hydration, blood sugar, thyroid function, or blood count should be checked. Mention the exact position or time of day, triggers, duration, and whether the beat felt regular.