Do you get heart palpitations when lying down? Whether you’re getting ready for bed or looking for a quick respite from the day, lying down is supposed to be the first step toward rest and relaxation. The Union Democrat: Mayo Clinic Q&A: Is my racing heart an arrhythmia?

Understanding the Context

MSN: Heart racing for no reason? When to worry and two tricks to calm it fast You're curled up on the couch, finally relaxing after a long day when suddenly, your heart starts racing. You're obviously not exercising and you don't think you're stressed, so why does it feel like ... Heart racing for no reason?

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When to worry and two tricks to calm it fast