Your resting heart rate is a reflection of your fitness/ wellness. The greater your fitness the slower your heart beats on average.
When you first start working out it usually does not take much for your heart rate to increase significantly. As your exercise program consistently progresses you will find your heart rate will actually be slower than it was when you began. Because it is healthier.
It seems contrary. The connection with exercising so that your heart rate increases so that your heart will actually beat slower. But it is just the facts!
According to the Harvard Newsletter “Resting heart rate seems to be a common denominator for various types of heart disease. A tantalizing possibility is that lowering your heart rate could help protect you from heart disease and may even let your heart beat for longer.” (Harvard Newsletter)
Another way to slow your heart rate is learn to meditate and some breathing exercise. Stress in general increases heart rate.