Heart rate varies according to the demand of muscles to absorb oxygen and excrete carbon dioxide changes such thing happen during exercise or sleep [3]-[5]. Normally the heart rate which is calculated for a resting person is about to 70 bpm for adult males and 75 bpm for adult females. A heart rate monitor is simply a device that takes a sample of heartbeats and calculates the heart beats per minute and the information can easily track the current heart condition [6].