A doctor has issued an important warning about hearing your heartbeat when lying down, cautioning that it could be a concerning health issue. While this sensation may seem normal in some cases, it could also indicate underlying health conditions that warrant medical attention.

Typically, lying down to sleep is a time for relaxation—your breathing slows, muscles loosen, and heart rate decreases. Hearing your heartbeat in such moments can often indicate healthy bodily functions, especially after physical activity or during medical exams. However, healthcare professionals warn that if you consistently notice this sound, it might be more than just a benign occurrence.