A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can make your heart beat fast. More serious conditions like heart arrhythmia ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...

Carley is a writer, editor and social media professional. Before starting at Forbes Health, she wrote for Sleepopolis and interned at PBS and Nickelodeon. She's a certified sleep science coach and ...

It's essential to seek emergency care if a rapid heartbeat is paired with confusion or chest pain. ER treatments for tachycardia include medications and electrical cardioversion. Managing stress and ...