First it was Microsoft cofounder Bill Gates, who got the Internet all fired up when he answered questions in a Reddit AskMeAnything thread. I am in the camp that is concerned about super intelligence, Gates wrote in response to a question about the existential threat posed by artificial intelligence (AI). First, the machines will do a lot of jobs for us and not be super intelligent.
A normal heart rate is between 60-100 beats per minute at rest (sitting, relaxing, etc.). It is well-known that the average resting heart rate for well-trained athletes is 40-60 beats per minute! However, this rate can change dramatically while sleeping or with daily activity and exercise.
Your heart is made up of four chambers, each of which needs to work effectively and in synchronization for optimal function. A normal resting heart rate averages between 60 and 100 beats a minute, according to the Mayo Clinic. Your resting heart rate is based on your age, weight and physical condition.