Your resting heart rate is a good indication of fitness. The more physically fit you are, the lower your resting heart rate will be. It is lower, because your heart is not required to work as hard to supply the body with oxygenated blood.

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In addition, it takes a long long time for fit people to recover from exercise.
In addition, it takes less time for fit people to recover from exercise.

In addition, fit people tend to have a faster recovery time after exercise compared to those who are not as physically fit. This is because their cardiovascular system is more efficient at delivering oxygen and nutrients to their muscles, allowing them to recover faster and get back to their normal resting heart rate sooner.