Target Heart Rate and Cardio Monitoring for Safe Workouts

Maintaining a healthy resting heart rate is a key indicator of cardiovascular health, especially during high-intensity HIIT or IVF. Learn how to lower your heart rate while running and evaluate the accuracy of calories burned on heart rate monitors.

Quick Heart Rate While Sleeping

Published Jul,08 2011 | By Jessica McCahon

A rapid heart rate, also known as tachycardia or heart palpitation, is the sensation that your heart is beating more forcefully, irregularly or faster than usual. In many cases, when you experience this feeling at night, it is simply because you are more aware of it at rest than when you are busy during the day.

Jessica began her writing career in 1995 and is Senior Editor at a London communications agency, where she writes and edits corporate publications covering health, I.T., banking and finance. Jessica has also written for consumer magazines including "Cosmopolitan" and travel, home/lifestyle and bridal titles. Jessica holds a Bachelor of Arts in English literature and journalism from the University of Queensland.