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I am 53 years old and am in good health. I also am not a world class runner etc. I do walk 2-3 each week and live at 5000 feet elevation. My resting heart rate is 42-46. During the night when sleeping the rate can drop to as low as 37.
I have been having trouble sleeping...it may be a result of my heart rate going to low.... I am currently getting a doc to look at my a little closer.
If you give me your e-mail I will let you know what I learn. My e-mail is ***@****... Doug
I heard of a swiss biker that came to my cardio doc with a rate around 20 bpm. I don't think that I would worry about your low rate. If I did worry, I would ask a cardio doc. Jim Ryan the miler had a resting heart rate in the low 70s and he set records in his distance. Other runners have a resting rate much lower. Go figure.